56573764 has 18 divisors (see below), whose sum is σ = 107206890. Its totient is φ = 26110656.

The previous prime is 56573749. The next prime is 56573771. The reversal of 56573764 is 46737565.

It can be written as a sum of positive squares in 3 ways, for example, as 1932100 + 54641664 = 1390^2 + 7392^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56573764.

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, 41169 + ... + 42520.

Almost surely, 2^56573764 is an apocalyptic number.

It is an amenable number.

56573764 is a deficient number, since it is larger than the sum of its proper divisors (50633126).

56573764 is a wasteful number, since it uses less digits than its factorization.

56573764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83719 (or 83704 counting only the distinct ones).

The product of its digits is 529200, while the sum is 43.

The square root of 56573764 is about 7521.5532970258. The cubic root of 56573764 is about 383.8884314910. Note that the first 3 decimals are identical.

The spelling of 56573764 in words is "fifty-six million, five hundred seventy-three thousand, seven hundred sixty-four".