56516572 has 24 divisors (see below), whose sum is σ = 114952320. Its totient is φ = 23810160.

The previous prime is 56516549. The next prime is 56516591. The reversal of 56516572 is 27561565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15454 + ... + 18757.

It is an arithmetic number, because the mean of its divisors is an integer number (4789680).

Almost surely, 2^56516572 is an apocalyptic number.

It is an amenable number.

56516572 is an abundant number, since it is smaller than the sum of its proper divisors (58435748).

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

56516572 is a wasteful number, since it uses less digits than its factorization.

56516572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34281 (or 34279 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 56516572 is about 7517.7504614080. The cubic root of 56516572 is about 383.7590266916.

The spelling of 56516572 in words is "fifty-six million, five hundred sixteen thousand, five hundred seventy-two".