57683439 has 24 divisors (see below), whose sum is σ = 91580112. Its totient is φ = 34696320.

The previous prime is 57683401. The next prime is 57683441. The reversal of 57683439 is 93438675.

It is a de Polignac number, because none of the positive numbers 2^k-57683439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57683394 and 57683403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57683489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11437 + ... + 15689.

It is an arithmetic number, because the mean of its divisors is an integer number (3815838).

Almost surely, 2^57683439 is an apocalyptic number.

57683439 is a deficient number, since it is larger than the sum of its proper divisors (33896673).

57683439 is a wasteful number, since it uses less digits than its factorization.

57683439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407 (or 4404 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 57683439 is about 7594.9614218902. The cubic root of 57683439 is about 386.3821441217.

The spelling of 57683439 in words is "fifty-seven million, six hundred eighty-three thousand, four hundred thirty-nine".