56656002256 has 60 divisors (see below), whose sum is σ = 131811980160. Its totient is φ = 23497871040.

The previous prime is 56656002253. The next prime is 56656002313. The reversal of 56656002256 is 65220065665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56656002253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1141266 + ... + 1189873.

It is an arithmetic number, because the mean of its divisors is an integer number (2196866336).

Almost surely, 2^56656002256 is an apocalyptic number.

56656002256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56656002256 is an abundant number, since it is smaller than the sum of its proper divisors (75155977904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56656002256 is a wasteful number, since it uses less digits than its factorization.

56656002256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331192 (or 2331179 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 56656002256 in words is "fifty-six billion, six hundred fifty-six million, two thousand, two hundred fifty-six".