57156230 has 16 divisors (see below), whose sum is σ = 105071040. Its totient is φ = 22375872.

The previous prime is 57156181. The next prime is 57156247. The reversal of 57156230 is 3265175.

It is a junction number, because it is equal to n+sod(n) for n = 57156193 and 57156202.

It is a congruent number.

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, 60335 + ... + 61274.

It is an arithmetic number, because the mean of its divisors is an integer number (6566940).

Almost surely, 2^57156230 is an apocalyptic number.

57156230 is a deficient number, since it is larger than the sum of its proper divisors (47914810).

57156230 is a wasteful number, since it uses less digits than its factorization.

57156230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121663.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 57156230 is about 7560.1739397979. The cubic root of 57156230 is about 385.2014013429.

The spelling of 57156230 in words is "fifty-seven million, one hundred fifty-six thousand, two hundred thirty".