57385839 has 16 divisors (see below), whose sum is σ = 88137728. Its totient is φ = 32532192.

The previous prime is 57385831. The next prime is 57385841. The reversal of 57385839 is 93858375.

It is a happy number.

It is not a de Polignac number, because 57385839 - 2³ = 57385831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57385831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8092 + ... + 13425.

It is an arithmetic number, because the mean of its divisors is an integer number (5508608).

Almost surely, 2^57385839 is an apocalyptic number.

57385839 is a deficient number, since it is larger than the sum of its proper divisors (30751889).

57385839 is a wasteful number, since it uses less digits than its factorization.

57385839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21654.

The product of its digits is 907200, while the sum is 48.

The square root of 57385839 is about 7575.3441505980. The cubic root of 57385839 is about 385.7165247567.

The spelling of 57385839 in words is "fifty-seven million, three hundred eighty-five thousand, eight hundred thirty-nine".