56722972 has 6 divisors (see below), whose sum is σ = 99265208. Its totient is φ = 28361484.

The previous prime is 56722969. The next prime is 56722997. The reversal of 56722972 is 27922765.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7090368 + ... + 7090375.

Almost surely, 2^56722972 is an apocalyptic number.

It is an amenable number.

56722972 is a deficient number, since it is larger than the sum of its proper divisors (42542236).

56722972 is a wasteful number, since it uses less digits than its factorization.

56722972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14180747 (or 14180745 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 56722972 is about 7531.4654616482. The cubic root of 56722972 is about 384.2256251447.

The spelling of 56722972 in words is "fifty-six million, seven hundred twenty-two thousand, nine hundred seventy-two".