57316239 has 6 divisors (see below), whose sum is σ = 82790136. Its totient is φ = 38210820.

The previous prime is 57316223. The next prime is 57316249. The reversal of 57316239 is 93261375.

It is not a de Polignac number, because 57316239 - 2⁴ = 57316223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57316249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3184227 + ... + 3184244.

It is an arithmetic number, because the mean of its divisors is an integer number (13798356).

Almost surely, 2^57316239 is an apocalyptic number.

57316239 is a deficient number, since it is larger than the sum of its proper divisors (25473897).

57316239 is a wasteful number, since it uses less digits than its factorization.

57316239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368477 (or 6368474 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 57316239 is about 7570.7489061519. The cubic root of 57316239 is about 385.5605238386.

The spelling of 57316239 in words is "fifty-seven million, three hundred sixteen thousand, two hundred thirty-nine".