56566256 has 10 divisors (see below), whose sum is σ = 109597152. Its totient is φ = 28283120.

The previous prime is 56566253. The next prime is 56566271. The reversal of 56566256 is 65266565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56566253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1767680 + ... + 1767711.

Almost surely, 2^56566256 is an apocalyptic number.

It is an amenable number.

56566256 is a deficient number, since it is larger than the sum of its proper divisors (53030896).

56566256 is a wasteful number, since it uses less digits than its factorization.

56566256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535399 (or 3535393 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 56566256 is about 7521.0541814296. The cubic root of 56566256 is about 383.8714485785.

The spelling of 56566256 in words is "fifty-six million, five hundred sixty-six thousand, two hundred fifty-six".