57130356 has 24 divisors (see below), whose sum is σ = 134053920. Its totient is φ = 18936352.

The previous prime is 57130327. The next prime is 57130373. The reversal of 57130356 is 65303175.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11151 + ... + 15446.

It is an arithmetic number, because the mean of its divisors is an integer number (5585580).

Almost surely, 2^57130356 is an apocalyptic number.

It is an amenable number.

57130356 is an abundant number, since it is smaller than the sum of its proper divisors (76923564).

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

57130356 is a wasteful number, since it uses less digits than its factorization.

57130356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26783 (or 26781 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 57130356 is about 7558.4625420782. The cubic root of 57130356 is about 385.1432670831.

The spelling of 57130356 in words is "fifty-seven million, one hundred thirty thousand, three hundred fifty-six".