57839494 has 4 divisors (see below), whose sum is σ = 86759244. Its totient is φ = 28919746.

The previous prime is 57839489. The next prime is 57839501. The reversal of 57839494 is 49493875.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14459872 + ... + 14459875.

It is an arithmetic number, because the mean of its divisors is an integer number (21689811).

Almost surely, 2^57839494 is an apocalyptic number.

57839494 is a deficient number, since it is larger than the sum of its proper divisors (28919750).

57839494 is a wasteful number, since it uses less digits than its factorization.

57839494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28919749.

The product of its digits is 1088640, while the sum is 49.

The square root of 57839494 is about 7605.2280702159. The cubic root of 57839494 is about 386.7302658301.

The spelling of 57839494 in words is "fifty-seven million, eight hundred thirty-nine thousand, four hundred ninety-four".