57339249 has 32 divisors (see below), whose sum is σ = 88957440. Its totient is φ = 32467200.

The previous prime is 57339241. The next prime is 57339259. The reversal of 57339249 is 94293375.

It is not a de Polignac number, because 57339249 - 2³ = 57339241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57339249.

It is not an unprimeable number, because it can be changed into a prime (57339241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100134 + ... + 100704.

It is an arithmetic number, because the mean of its divisors is an integer number (2779920).

Almost surely, 2^57339249 is an apocalyptic number.

It is an amenable number.

57339249 is a deficient number, since it is larger than the sum of its proper divisors (31618191).

57339249 is a wasteful number, since it uses less digits than its factorization.

57339249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781.

The product of its digits is 204120, while the sum is 42.

The square root of 57339249 is about 7572.2684183803. The cubic root of 57339249 is about 385.6121122474.

The spelling of 57339249 in words is "fifty-seven million, three hundred thirty-nine thousand, two hundred forty-nine".