56564907 has 16 divisors (see below), whose sum is σ = 86311680. Its totient is φ = 32278752.

The previous prime is 56564903. The next prime is 56564917. The reversal of 56564907 is 70946565.

It is not a de Polignac number, because 56564907 - 2² = 56564903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56564903) 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, 19944 + ... + 22602.

It is an arithmetic number, because the mean of its divisors is an integer number (5394480).

Almost surely, 2^56564907 is an apocalyptic number.

56564907 is a deficient number, since it is larger than the sum of its proper divisors (29746773).

56564907 is a wasteful number, since it uses less digits than its factorization.

56564907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 56564907 is about 7520.9644993179. The cubic root of 56564907 is about 383.8683970142.

The spelling of 56564907 in words is "fifty-six million, five hundred sixty-four thousand, nine hundred seven".