57500439 has 8 divisors (see below), whose sum is σ = 76997232. Its totient is φ = 38168640.

The previous prime is 57500423. The next prime is 57500449. The reversal of 57500439 is 93400575.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57500439 - 2⁴ = 57500423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57500419) 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, 40432 + ... + 41829.

It is an arithmetic number, because the mean of its divisors is an integer number (9624654).

Almost surely, 2^57500439 is an apocalyptic number.

57500439 is a deficient number, since it is larger than the sum of its proper divisors (19496793).

57500439 is a wasteful number, since it uses less digits than its factorization.

57500439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82497.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 57500439 is about 7582.9043907991. The cubic root of 57500439 is about 385.9731137367.

The spelling of 57500439 in words is "fifty-seven million, five hundred thousand, four hundred thirty-nine".