56907189 has 12 divisors (see below), whose sum is σ = 84111456. Its totient is φ = 37055592.

The previous prime is 56907181. The next prime is 56907209. The reversal of 56907189 is 98170965.

56907189 is a `hidden beast` number, since 569 + 0 + 7 + 1 + 89 = 666.

It is not a de Polignac number, because 56907189 - 2³ = 56907181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56907181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73137 + ... + 73910.

It is an arithmetic number, because the mean of its divisors is an integer number (7009288).

Almost surely, 2^56907189 is an apocalyptic number.

It is an amenable number.

56907189 is a deficient number, since it is larger than the sum of its proper divisors (27204267).

56907189 is a wasteful number, since it uses less digits than its factorization.

56907189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147096 (or 147093 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 56907189 is about 7543.6853725484. The cubic root of 56907189 is about 384.6411205681.

The spelling of 56907189 in words is "fifty-six million, nine hundred seven thousand, one hundred eighty-nine".