57130830 has 48 divisors (see below), whose sum is σ = 153339264. Its totient is φ = 14742720.

The previous prime is 57130819. The next prime is 57130837. The reversal of 57130830 is 3803175.

It is a junction number, because it is equal to n+sod(n) for n = 57130794 and 57130803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57130837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7449 + ... + 13028.

It is an arithmetic number, because the mean of its divisors is an integer number (3194568).

Almost surely, 2^57130830 is an apocalyptic number.

57130830 is an abundant number, since it is smaller than the sum of its proper divisors (96208434).

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

57130830 is a wasteful number, since it uses less digits than its factorization.

57130830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20521 (or 20518 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 57130830 is about 7558.4938975963. The cubic root of 57130830 is about 385.1443322343.

The spelling of 57130830 in words is "fifty-seven million, one hundred thirty thousand, eight hundred thirty".