Properties of the Number 55287

Fifty-Five Thousand Two Hundred Eighty-Seven

Basics

Value: 55286 → 55287 → 55288

Parity: odd

Prime: No

Previous Prime: 55259

Next Prime: 55291

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 6143

Divisors: 1, 3, 9, 6143, 18429, 55287

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011111110111

Octal: 153767

Duodecimal: 27BB3

Hexadecimal: d7f7

Square: 3056652369

Square Root: 235.1318778898344

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

Coefficients of 1/(∑_k>=0 [(k+1)*r]*(-x)^k), where r = sqrt(5/2) and [ ] = floor. A288230

Coefficients in the expansion of 1/([r]-[2r]x+[3r]x²-...); [ ]=floor, r=11/7. A289262

Generalized sum of divisors function: third diagonal of A060044. A60045

Number of length 3+1 0..n arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero. A250168

Elliptic net associated to y² + y = x³ + x² - 2·x, based on the non-torsion generator points P = [0, 0] and Q = [1, 0]. A374833

Number of rooted trees with n nodes and 12 leaves. A55287