57133293 has 16 divisors (see below), whose sum is σ = 87599616. Its totient is φ = 32445360.

The previous prime is 57133289. The next prime is 57133301. The reversal of 57133293 is 39233175.

It is not a de Polignac number, because 57133293 - 2² = 57133289 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57133493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4923 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (5474976).

Almost surely, 2^57133293 is an apocalyptic number.

It is an amenable number.

57133293 is a deficient number, since it is larger than the sum of its proper divisors (30466323).

57133293 is a wasteful number, since it uses less digits than its factorization.

57133293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16864.

The product of its digits is 17010, while the sum is 33.

The square root of 57133293 is about 7558.6568251244. The cubic root of 57133293 is about 385.1498668808.

The spelling of 57133293 in words is "fifty-seven million, one hundred thirty-three thousand, two hundred ninety-three".