56680539 has 8 divisors (see below), whose sum is σ = 75620160. Its totient is φ = 37763976.

The previous prime is 56680531. The next prime is 56680541. The reversal of 56680539 is 93508665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56680539 - 2³ = 56680531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56680539.

It is not an unprimeable number, because it can be changed into a prime (56680531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164 + ... + 10710.

It is an arithmetic number, because the mean of its divisors is an integer number (9452520).

Almost surely, 2^56680539 is an apocalyptic number.

56680539 is a deficient number, since it is larger than the sum of its proper divisors (18939621).

56680539 is a wasteful number, since it uses less digits than its factorization.

56680539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11529.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 56680539 is about 7528.6478865730. The cubic root of 56680539 is about 384.1297914664.

The spelling of 56680539 in words is "fifty-six million, six hundred eighty thousand, five hundred thirty-nine".