56564552 has 16 divisors (see below), whose sum is σ = 115700400. Its totient is φ = 25711120.

The previous prime is 56564551. The next prime is 56564579. The reversal of 56564552 is 25546565.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56564551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321302 + ... + 321477.

It is an arithmetic number, because the mean of its divisors is an integer number (7231275).

Almost surely, 2^56564552 is an apocalyptic number.

It is an amenable number.

56564552 is an abundant number, since it is smaller than the sum of its proper divisors (59135848).

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

56564552 is a wasteful number, since it uses less digits than its factorization.

56564552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642796 (or 642792 counting only the distinct ones).

The product of its digits is 180000, while the sum is 38.

The square root of 56564552 is about 7520.9408985844. The cubic root of 56564552 is about 383.8675939629.

The spelling of 56564552 in words is "fifty-six million, five hundred sixty-four thousand, five hundred fifty-two".