57130284 has 24 divisors (see below), whose sum is σ = 134681008. Its totient is φ = 18846720.

The previous prime is 57130267. The next prime is 57130291. The reversal of 57130284 is 48203175.

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, 23377 + ... + 25704.

Almost surely, 2^57130284 is an apocalyptic number.

It is an amenable number.

57130284 is an abundant number, since it is smaller than the sum of its proper divisors (77550724).

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

57130284 is a wasteful number, since it uses less digits than its factorization.

57130284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49185 (or 49183 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 57130284 is about 7558.4577792034. The cubic root of 57130284 is about 385.1431052874.

The spelling of 57130284 in words is "fifty-seven million, one hundred thirty thousand, two hundred eighty-four".