57133073 has 4 divisors (see below), whose sum is σ = 60493860. Its totient is φ = 53772288.

The previous prime is 57133003. The next prime is 57133079. The reversal of 57133073 is 37033175.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42601729 + 14531344 = 6527^2 + 3812^2 .

It is a cyclic number.

It is not a de Polignac number, because 57133073 - 2²⁴ = 40355857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57133079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680368 + ... + 1680401.

It is an arithmetic number, because the mean of its divisors is an integer number (15123465).

Almost surely, 2^57133073 is an apocalyptic number.

It is an amenable number.

57133073 is a deficient number, since it is larger than the sum of its proper divisors (3360787).

57133073 is a wasteful number, since it uses less digits than its factorization.

57133073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360786.

The product of its (nonzero) digits is 6615, while the sum is 29.

The square root of 57133073 is about 7558.6422722603. The cubic root of 57133073 is about 385.1493725218.

The spelling of 57133073 in words is "fifty-seven million, one hundred thirty-three thousand, seventy-three".