56940186 has 16 divisors (see below), whose sum is σ = 113954400. Its totient is φ = 18967728.

The previous prime is 56940181. The next prime is 56940187. The reversal of 56940186 is 68104965.

It is not an unprimeable number, because it can be changed into a prime (56940181) 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, 16020 + ... + 19248.

It is an arithmetic number, because the mean of its divisors is an integer number (7122150).

Almost surely, 2^56940186 is an apocalyptic number.

56940186 is an abundant number, since it is smaller than the sum of its proper divisors (57014214).

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

56940186 is a wasteful number, since it uses less digits than its factorization.

56940186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6173.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 56940186 is about 7545.8721165946. The cubic root of 56940186 is about 384.7154494943.

It can be divided in two parts, 569 and 40186, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 56940186 in words is "fifty-six million, nine hundred forty thousand, one hundred eighty-six".