56521264 has 20 divisors (see below), whose sum is σ = 112058056. Its totient is φ = 27603072.

The previous prime is 56521253. The next prime is 56521279. The reversal of 56521264 is 46212565.

56521264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40389 + ... + 41764.

Almost surely, 2^56521264 is an apocalyptic number.

It is an amenable number.

56521264 is a deficient number, since it is larger than the sum of its proper divisors (55536792).

56521264 is a wasteful number, since it uses less digits than its factorization.

56521264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82204 (or 82198 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 56521264 is about 7518.0625163668. The cubic root of 56521264 is about 383.7696462760.

The spelling of 56521264 in words is "fifty-six million, five hundred twenty-one thousand, two hundred sixty-four".