56890560 has 112 divisors (see below), whose sum is σ = 190195200. Its totient is φ = 14367744.

The previous prime is 56890543. The next prime is 56890577. The reversal of 56890560 is 6509865.

It is an interprime number because it is at equal distance from previous prime (56890543) and next prime (56890577).

It is a super-2 number, since 2×56890560² = 6473071634227200, which contains 22 as substring.

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, 16681 + ... + 19799.

Almost surely, 2^56890560 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 56890560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95097600).

56890560 is an abundant number, since it is smaller than the sum of its proper divisors (133304640).

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

56890560 is a wasteful number, since it uses less digits than its factorization.

56890560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158 (or 3148 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 56890560 is about 7542.5831119054. The cubic root of 56890560 is about 384.6036512523.

The spelling of 56890560 in words is "fifty-six million, eight hundred ninety thousand, five hundred sixty".