56747964 has 96 divisors (see below), whose sum is σ = 164502016. Its totient is φ = 14826240.

The previous prime is 56747939. The next prime is 56747981. The reversal of 56747964 is 46974765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171279 + ... + 171609.

Almost surely, 2^56747964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56747964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82251008).

56747964 is an abundant number, since it is smaller than the sum of its proper divisors (107754052).

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

56747964 is a wasteful number, since it uses less digits than its factorization.

56747964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 513 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 56747964 is about 7533.1244513814. The cubic root of 56747964 is about 384.2820464765.

The spelling of 56747964 in words is "fifty-six million, seven hundred forty-seven thousand, nine hundred sixty-four".