56657474260 has 48 divisors (see below), whose sum is σ = 122869232640. Its totient is φ = 21922917120.

The previous prime is 56657474249. The next prime is 56657474267. The reversal of 56657474260 is 6247475665.

It is a junction number, because it is equal to n+sod(n) for n = 56657474198 and 56657474207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56657474267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1605081 + ... + 1639999.

It is an arithmetic number, because the mean of its divisors is an integer number (2559775680).

Almost surely, 2^56657474260 is an apocalyptic number.

It is an amenable number.

56657474260 is an abundant number, since it is smaller than the sum of its proper divisors (66211758380).

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

56657474260 is a wasteful number, since it uses less digits than its factorization.

56657474260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37576 (or 37574 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 56657474260 in words is "fifty-six billion, six hundred fifty-seven million, four hundred seventy-four thousand, two hundred sixty".