Properties of the Number 55240

Fifty-Five Thousand Two Hundred Forty

Basics

Value: 55239 → 55240 → 55241

Parity: even

Prime: No

Previous Prime: 55229

Next Prime: 55243

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 5 × 1381

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 1381, 2762

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011111001000

Octal: 153710

Duodecimal: 27B74

Hexadecimal: d7c8

Square: 3051457600

Square Root: 235.03191272676142

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

Trajectory of 270 under repeated application of k -> (φ(k)+σ(k))/2. A291789

Elements of A011185 that are also the sum of a pair of distinct elements of A011185. A133605

Take apart the sides of each of the integer-sided scalene triangles with perimeter n (at their vertices) and rearrange them orthogonally in 3-space so that their endpoints coincide at a single point. a(n) is the total surface area of all rectangular prisms enclosed in this way. A308235

Number of bases in which n is not divisible by any of its digits. A55240