57439292 has 6 divisors (see below), whose sum is σ = 100518768. Its totient is φ = 28719644.

The previous prime is 57439279. The next prime is 57439297. The reversal of 57439292 is 29293475.

It is a super-2 number, since 2×57439292² = 6598544530922528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57439297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7179908 + ... + 7179915.

It is an arithmetic number, because the mean of its divisors is an integer number (16753128).

Almost surely, 2^57439292 is an apocalyptic number.

It is an amenable number.

57439292 is a deficient number, since it is larger than the sum of its proper divisors (43079476).

57439292 is a wasteful number, since it uses less digits than its factorization.

57439292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14359827 (or 14359825 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 57439292 is about 7578.8714199411. The cubic root of 57439292 is about 385.8362482954.

The spelling of 57439292 in words is "fifty-seven million, four hundred thirty-nine thousand, two hundred ninety-two".