Properties of the Number 55055

Fifty-Five Thousand Fifty-Five

Basics

Value: 55054 → 55055 → 55056

Parity: odd

Prime: No

Previous Prime: 55051

Next Prime: 55057

Digit Sum: 20

Digital Root: 2

Palindrome: Yes

Factorization: 5 × 7 × 11 ² × 13

Divisors: 1, 5, 7, 11, 13, 35, 55, 65, 77, 91

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011100001111

Octal: 153417

Duodecimal: 27A3B

Hexadecimal: d70f

Square: 3031053025

Square Root: 234.63801908471697

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

Numbers whose decimal expansion contains only 0's and 5's. A169964

a(1) = 5; a(n) = smallest palindromic multiple of a(n-1). A68666

a(n) = 5*(10^2·n+1 - 1)/9 - 5·10ⁿ. A332150

Smith numbers of order 3. A178213

Palindromic Smith numbers. A98834

a(n) = 55440 * (3·n)!/((2·n)!*(n+4)!). A361039

a(n) = 5*(n+1)*binomial(n+4,5)/2. A27801

Triangle T(n,k) read by rows: number of 12312-avoiding matchings on [2n] with exactly k crossings (n >= 1, 0 <= k <= n-1). A108410

Occurrences of decrease of the probability density P(n) of coprime numbers k,m, satisfying 1 <= k <= a(n) and 1 <= m <= a(n), and a(n) congruent to 1 (mod 2) and a(n) not congruent to 3 (mod 6). A280879

Triangle read by rows: T(n, m) = (n+1-m)*C(2·n+2-m, m)*C(3·n-3·m+2, n-m+1)/(2·n-m+2). A360546