56164740 has 48 divisors (see below), whose sum is σ = 159427968. Its totient is φ = 14770944.

The previous prime is 56164723. The next prime is 56164783. The reversal of 56164740 is 4746165.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2032 + ... + 10791.

It is an arithmetic number, because the mean of its divisors is an integer number (3321416).

Almost surely, 2^56164740 is an apocalyptic number.

It is an amenable number.

56164740 is an abundant number, since it is smaller than the sum of its proper divisors (103263228).

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

56164740 is a wasteful number, since it uses less digits than its factorization.

56164740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12908 (or 12906 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 56164740 is about 7494.3138445090. The cubic root of 56164740 is about 382.9610315140.

The spelling of 56164740 in words is "fifty-six million, one hundred sixty-four thousand, seven hundred forty".