56756772 has 36 divisors (see below), whose sum is σ = 145616016. Its totient is φ = 18635760.

The previous prime is 56756767. The next prime is 56756773. The reversal of 56756772 is 27765765.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (56756773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9354 + ... + 14177.

Almost surely, 2^56756772 is an apocalyptic number.

It is an amenable number.

56756772 is an abundant number, since it is smaller than the sum of its proper divisors (88859244).

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

56756772 is a wasteful number, since it uses less digits than its factorization.

56756772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23608 (or 23603 counting only the distinct ones).

The product of its digits is 617400, while the sum is 45.

The square root of 56756772 is about 7533.7090466781. The cubic root of 56756772 is about 384.3019272553.

The spelling of 56756772 in words is "fifty-six million, seven hundred fifty-six thousand, seven hundred seventy-two".