56164460 has 48 divisors (see below), whose sum is σ = 130878720. Its totient is φ = 20072640.

The previous prime is 56164457. The next prime is 56164489. The reversal of 56164460 is 6446165.

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, 10817 + ... + 15143.

It is an arithmetic number, because the mean of its divisors is an integer number (2726640).

Almost surely, 2^56164460 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 56164460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65439360).

56164460 is an abundant number, since it is smaller than the sum of its proper divisors (74714260).

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

56164460 is a wasteful number, since it uses less digits than its factorization.

56164460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406 (or 4404 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 56164460 is about 7494.2951636562. The cubic root of 56164460 is about 382.9603951167.

The spelling of 56164460 in words is "fifty-six million, one hundred sixty-four thousand, four hundred sixty".