57130188 has 48 divisors (see below), whose sum is σ = 141496320. Its totient is φ = 17889984.

The previous prime is 57130181. The next prime is 57130219. The reversal of 57130188 is 88103175.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (57130181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27970 + ... + 29942.

It is an arithmetic number, because the mean of its divisors is an integer number (2947840).

Almost surely, 2^57130188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57130188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70748160).

57130188 is an abundant number, since it is smaller than the sum of its proper divisors (84366132).

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

57130188 is a wasteful number, since it uses less digits than its factorization.

57130188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126 (or 2124 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 57130188 is about 7558.4514286989. The cubic root of 57130188 is about 385.1428895597.

The spelling of 57130188 in words is "fifty-seven million, one hundred thirty thousand, one hundred eighty-eight".