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Properties of the Number 55552

Fifty-Five Thousand Five Hundred Fifty-Two

Basics

Value: 55551 → 55552 → 55553

Parity: even

Prime: No

Previous Prime: 55547

Next Prime: 55579

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 8 × 7 × 31

Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 31, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101100100000000

Octal: 154400

Duodecimal: 28194

Hexadecimal: d900

Square: 3086024704

Square Root: 235.69471780249975

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) is the least positive integer in base 10 containing n fives that is divisible by n. A112900
Table of coefficients of a polynomial sequence related to the Springer numbers. A185417
Janet periodic table of the elements and structured hexagonal diamond numbers. a(n) = A166911(2·n) + A166911(2·n+1). A167471
Lexicographically earliest sequence of increasing numbers whose digits satisfy the "Fractal Jump" rule using only the digits 2 and 5: keep the first digit "d" of the sequence, then jump over the next "d" digits and keep the digit "e" on which you have landed. Jump now over the next "e" digits and keep the digit "f" on which you have landed, etc. The succession "def..." of kept digits is the sequence itself. A105647
Integers k such that numerator and denominator of σ(k)/k are both prime. A247086
a(n) = n3 * ∑d∣n (-1)n/d + 1 * μ(d) / d3. A338548
Numbers having four 5's in base 10. A43512
a(n) contains n digits (either '2' or '5') and is divisible by 2n. A53317
Matrix square of triangle U = A136228, read by rows. A136233
Numbers that can be expressed as the product of largest odd proper divisor and the sum of odd proper divisors. A225880