56747724 has 24 divisors (see below), whose sum is σ = 144449088. Its totient is φ = 17196240.

The previous prime is 56747687. The next prime is 56747741. The reversal of 56747724 is 42774765.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214822 + ... + 215085.

It is an arithmetic number, because the mean of its divisors is an integer number (6018712).

Almost surely, 2^56747724 is an apocalyptic number.

It is an amenable number.

56747724 is an abundant number, since it is smaller than the sum of its proper divisors (87701364).

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

56747724 is a wasteful number, since it uses less digits than its factorization.

56747724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429925 (or 429923 counting only the distinct ones).

The product of its digits is 329280, while the sum is 42.

The square root of 56747724 is about 7533.1085217193. The cubic root of 56747724 is about 384.2815047371.

The spelling of 56747724 in words is "fifty-six million, seven hundred forty-seven thousand, seven hundred twenty-four".