56553256 has 32 divisors (see below), whose sum is σ = 109929600. Its totient is φ = 27256320.

The previous prime is 56553247. The next prime is 56553257. The reversal of 56553256 is 65235565.

It is not an unprimeable number, because it can be changed into a prime (56553257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26136 + ... + 28216.

It is an arithmetic number, because the mean of its divisors is an integer number (3435300).

Almost surely, 2^56553256 is an apocalyptic number.

It is an amenable number.

56553256 is a deficient number, since it is larger than the sum of its proper divisors (53376344).

56553256 is a wasteful number, since it uses less digits than its factorization.

56553256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209 (or 2205 counting only the distinct ones).

The product of its digits is 135000, while the sum is 37.

The square root of 56553256 is about 7520.1898912195. The cubic root of 56553256 is about 383.8420393422.

It can be divided in two parts, 5655 and 3256, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 56553256 in words is "fifty-six million, five hundred fifty-three thousand, two hundred fifty-six".