57933381 has 16 divisors (see below), whose sum is σ = 84502080. Its totient is φ = 35013120.

The previous prime is 57933371. The next prime is 57933437. The reversal of 57933381 is 18333975.

It is not a de Polignac number, because 57933381 - 2¹⁵ = 57900613 is a prime.

It is a super-2 number, since 2×57933381² = 6712553268182322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57933371) 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, 10581 + ... + 15093.

It is an arithmetic number, because the mean of its divisors is an integer number (5281380).

Almost surely, 2^57933381 is an apocalyptic number.

It is an amenable number.

57933381 is a deficient number, since it is larger than the sum of its proper divisors (26568699).

57933381 is a wasteful number, since it uses less digits than its factorization.

57933381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916.

The product of its digits is 68040, while the sum is 39.

The square root of 57933381 is about 7611.3980975902. The cubic root of 57933381 is about 386.9394038757.

The spelling of 57933381 in words is "fifty-seven million, nine hundred thirty-three thousand, three hundred eighty-one".