57164286 has 16 divisors (see below), whose sum is σ = 116987904. Its totient is φ = 18611544.

The previous prime is 57164281. The next prime is 57164309. The reversal of 57164286 is 68246175.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57164281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110526 + ... + 111041.

It is an arithmetic number, because the mean of its divisors is an integer number (7311744).

Almost surely, 2^57164286 is an apocalyptic number.

57164286 is an abundant number, since it is smaller than the sum of its proper divisors (59823618).

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

57164286 is a wasteful number, since it uses less digits than its factorization.

57164286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221615.

The product of its digits is 80640, while the sum is 39.

The square root of 57164286 is about 7560.7067129998. The cubic root of 57164286 is about 385.2194981552.

The spelling of 57164286 in words is "fifty-seven million, one hundred sixty-four thousand, two hundred eighty-six".