56772928 has 28 divisors (see below), whose sum is σ = 119288052. Its totient is φ = 26716160.

The previous prime is 56772917. The next prime is 56772941. The reversal of 56772928 is 82927765.

It can be written as a sum of positive squares in 2 ways, for example, as 23503104 + 33269824 = 4848^2 + 5768^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25003 + ... + 27178.

Almost surely, 2^56772928 is an apocalyptic number.

It is an amenable number.

56772928 is an abundant number, since it is smaller than the sum of its proper divisors (62515124).

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

56772928 is a wasteful number, since it uses less digits than its factorization.

56772928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52210 (or 52200 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 56772928 is about 7534.7812177926. The cubic root of 56772928 is about 384.3383880610.

The spelling of 56772928 in words is "fifty-six million, seven hundred seventy-two thousand, nine hundred twenty-eight".