56656940 has 12 divisors (see below), whose sum is σ = 118979616. Its totient is φ = 22662768.

The previous prime is 56656927. The next prime is 56656973. The reversal of 56656940 is 4965665.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416404 + ... + 1416443.

It is an arithmetic number, because the mean of its divisors is an integer number (9914968).

Almost surely, 2^56656940 is an apocalyptic number.

It is an amenable number.

56656940 is an abundant number, since it is smaller than the sum of its proper divisors (62322676).

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

56656940 is a wasteful number, since it uses less digits than its factorization.

56656940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832856 (or 2832854 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 56656940 is about 7527.0804433060. The cubic root of 56656940 is about 384.0764731230.

The spelling of 56656940 in words is "fifty-six million, six hundred fifty-six thousand, nine hundred forty".