55957180 has 24 divisors (see below), whose sum is σ = 117709200. Its totient is φ = 22344960.

The previous prime is 55957177. The next prime is 55957199. The reversal of 55957180 is 8175955.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 11796 + ... + 15844.

It is an arithmetic number, because the mean of its divisors is an integer number (4904550).

Almost surely, 2^55957180 is an apocalyptic number.

It is an amenable number.

55957180 is an abundant number, since it is smaller than the sum of its proper divisors (61752020).

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

55957180 is a wasteful number, since it uses less digits than its factorization.

55957180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 40.

The square root of 55957180 is about 7480.4531948272. The cubic root of 55957180 is about 382.4886977451.

The spelling of 55957180 in words is "fifty-five million, nine hundred fifty-seven thousand, one hundred eighty".