57133245 has 32 divisors (see below), whose sum is σ = 99937152. Its totient is φ = 27700992.

The previous prime is 57133229. The next prime is 57133249. The reversal of 57133245 is 54233175.

It is not a de Polignac number, because 57133245 - 2⁴ = 57133229 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 (57133249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10879 + ... + 15251.

It is an arithmetic number, because the mean of its divisors is an integer number (3123036).

Almost surely, 2^57133245 is an apocalyptic number.

It is an amenable number.

57133245 is a deficient number, since it is larger than the sum of its proper divisors (42803907).

57133245 is a wasteful number, since it uses less digits than its factorization.

57133245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461.

The product of its digits is 12600, while the sum is 30.

The square root of 57133245 is about 7558.6536499565. The cubic root of 57133245 is about 385.1497590208.

The spelling of 57133245 in words is "fifty-seven million, one hundred thirty-three thousand, two hundred forty-five".