56690880 has 56 divisors (see below), whose sum is σ = 179996592. Its totient is φ = 15117312.

The previous prime is 56690863. The next prime is 56690939. The reversal of 56690880 is 8809665.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28567 + ... + 30486.

Almost surely, 2^56690880 is an apocalyptic number.

It is an amenable number.

56690880 is an abundant number, since it is smaller than the sum of its proper divisors (123305712).

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

56690880 is a wasteful number, since it uses less digits than its factorization.

56690880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59073 (or 59063 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 56690880 is about 7529.3346319579. The cubic root of 56690880 is about 384.1531507163.

The spelling of 56690880 in words is "fifty-six million, six hundred ninety thousand, eight hundred eighty".