57055186 has 8 divisors (see below), whose sum is σ = 85696380. Its totient is φ = 28489728.

The previous prime is 57055177. The next prime is 57055211. The reversal of 57055186 is 68155075.

It can be written as a sum of positive squares in 2 ways, for example, as 54479161 + 2576025 = 7381^2 + 1605^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17011 + ... + 20086.

Almost surely, 2^57055186 is an apocalyptic number.

57055186 is a deficient number, since it is larger than the sum of its proper divisors (28641194).

57055186 is a wasteful number, since it uses less digits than its factorization.

57055186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37868.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 57055186 is about 7553.4883332140. The cubic root of 57055186 is about 384.9742738755.

The spelling of 57055186 in words is "fifty-seven million, fifty-five thousand, one hundred eighty-six".