57112133 has 8 divisors (see below), whose sum is σ = 61584600. Its totient is φ = 52651008.

The previous prime is 57112117. The next prime is 57112141. The reversal of 57112133 is 33121175.

It can be written as a sum of positive squares in 4 ways, for example, as 10640644 + 46471489 = 3262^2 + 6817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57112133 - 2⁴ = 57112117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57112099 and 57112108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57112183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9713 + ... + 14441.

It is an arithmetic number, because the mean of its divisors is an integer number (7698075).

Almost surely, 2^57112133 is an apocalyptic number.

It is an amenable number.

57112133 is a deficient number, since it is larger than the sum of its proper divisors (4472467).

57112133 is a wasteful number, since it uses less digits than its factorization.

57112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671.

The product of its digits is 630, while the sum is 23.

The square root of 57112133 is about 7557.2569759139. The cubic root of 57112133 is about 385.1023127194.

The spelling of 57112133 in words is "fifty-seven million, one hundred twelve thousand, one hundred thirty-three".