56681190 has 48 divisors (see below), whose sum is σ = 147841200. Its totient is φ = 15066816.

The previous prime is 56681189. The next prime is 56681203. The reversal of 56681190 is 9118665.

56681190 is a `hidden beast` number, since 566 + 8 + 1 + 1 + 90 = 666.

56681190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56681190² = 6425514599632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34201 + ... + 35819.

It is an arithmetic number, because the mean of its divisors is an integer number (3080025).

Almost surely, 2^56681190 is an apocalyptic number.

56681190 is an abundant number, since it is smaller than the sum of its proper divisors (91160010).

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

56681190 is a wasteful number, since it uses less digits than its factorization.

56681190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 56681190 is about 7528.6911213039. The cubic root of 56681190 is about 384.1312620919.

The spelling of 56681190 in words is "fifty-six million, six hundred eighty-one thousand, one hundred ninety".