Properties of the Number 55544

Fifty-Five Thousand Five Hundred Forty-Four

Basics

Value: 55543 → 55544 → 55545

Parity: even

Prime: No

Previous Prime: 55541

Next Prime: 55547

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 53 × 131

Divisors: 1, 2, 4, 8, 53, 106, 131, 212, 262, 424

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100011111000

Octal: 154370

Duodecimal: 28188

Hexadecimal: d8f8

Square: 3085135936

Square Root: 235.6777460856243

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 k such that 6·R_k + 1 is a prime, where R_k = 11...1 is the repunit (A002275) of length k. A96507

Number of 3-step knight's tours on an (n+2) X (n+2) board summed over all starting positions. A186852

Compositions of n into parts 3, 5 and 7. A245367

Numbers n such that n²+k-1 is the sum of two nonzero squares in exactly k ways for all k = 1, 2, 3. A273341

Total number of nodes in all rooted trees with n nodes. A55544