56647572 has 24 divisors (see below), whose sum is σ = 132365856. Its totient is φ = 18855648.

The previous prime is 56647561. The next prime is 56647601. The reversal of 56647572 is 27574665.

56647572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6603 + ... + 12525.

It is an arithmetic number, because the mean of its divisors is an integer number (5515244).

Almost surely, 2^56647572 is an apocalyptic number.

It is an amenable number.

56647572 is an abundant number, since it is smaller than the sum of its proper divisors (75718284).

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

56647572 is a wasteful number, since it uses less digits than its factorization.

56647572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727 (or 6725 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 56647572 is about 7526.4581311531. The cubic root of 56647572 is about 384.0553034498.

The spelling of 56647572 in words is "fifty-six million, six hundred forty-seven thousand, five hundred seventy-two".