56528568 has 24 divisors (see below), whose sum is σ = 153098400. Its totient is φ = 18842832.

The previous prime is 56528557. The next prime is 56528573. The reversal of 56528568 is 86582565.

56528568 is a `hidden beast` number, since 5 + 65 + 28 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 392488 + ... + 392631.

It is an arithmetic number, because the mean of its divisors is an integer number (6379100).

Almost surely, 2^56528568 is an apocalyptic number.

It is an amenable number.

56528568 is an abundant number, since it is smaller than the sum of its proper divisors (96569832).

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

56528568 is a wasteful number, since it uses less digits than its factorization.

56528568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785131 (or 785124 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 56528568 is about 7518.5482641265. The cubic root of 56528568 is about 383.7861765313.

The spelling of 56528568 in words is "fifty-six million, five hundred twenty-eight thousand, five hundred sixty-eight".