57138184 has 16 divisors (see below), whose sum is σ = 107373420. Its totient is φ = 28505280.

The previous prime is 57138181. The next prime is 57138197. The reversal of 57138184 is 48183175.

57138184 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49420900 + 7717284 = 7030^2 + 2778^2 .

It is not an unprimeable number, because it can be changed into a prime (57138181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4059 + ... + 11434.

Almost surely, 2^57138184 is an apocalyptic number.

It is an amenable number.

57138184 is a deficient number, since it is larger than the sum of its proper divisors (50235236).

57138184 is a wasteful number, since it uses less digits than its factorization.

57138184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15960 (or 15956 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 57138184 is about 7558.9803545187. The cubic root of 57138184 is about 385.1608570534.

The spelling of 57138184 in words is "fifty-seven million, one hundred thirty-eight thousand, one hundred eighty-four".