56885680 has 40 divisors (see below), whose sum is σ = 134245872. Its totient is φ = 22412544.

The previous prime is 56885659. The next prime is 56885701. The reversal of 56885680 is 8658865.

It is an interprime number because it is at equal distance from previous prime (56885659) and next prime (56885701).

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 56885680.

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, 54 + ... + 10666.

Almost surely, 2^56885680 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 56885680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67122936).

56885680 is an abundant number, since it is smaller than the sum of its proper divisors (77360192).

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

56885680 is a wasteful number, since it uses less digits than its factorization.

56885680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10693 (or 10687 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 56885680 is about 7542.2596083667. The cubic root of 56885680 is about 384.5926540002.

The spelling of 56885680 in words is "fifty-six million, eight hundred eighty-five thousand, six hundred eighty".