56210664 has 32 divisors (see below), whose sum is σ = 147924000. Its totient is φ = 17750592.

The previous prime is 56210663. The next prime is 56210677. The reversal of 56210664 is 46601265.

It is not an unprimeable number, because it can be changed into a prime (56210663) 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, 61179 + ... + 62090.

It is an arithmetic number, because the mean of its divisors is an integer number (4622625).

Almost surely, 2^56210664 is an apocalyptic number.

It is an amenable number.

56210664 is an abundant number, since it is smaller than the sum of its proper divisors (91713336).

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

56210664 is a wasteful number, since it uses less digits than its factorization.

56210664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123297 (or 123293 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 56210664 is about 7497.3771413742. The cubic root of 56210664 is about 383.0653811535.

The spelling of 56210664 in words is "fifty-six million, two hundred ten thousand, six hundred sixty-four".