57733157 has 2 divisors, whose sum is σ = 57733158. Its totient is φ = 57733156.

The previous prime is 57733127. The next prime is 57733177. The reversal of 57733157 is 75133775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57547396 + 185761 = 7586^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 57733157 - 2¹⁰ = 57732133 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57733157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57733127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28866578 + 28866579.

It is an arithmetic number, because the mean of its divisors is an integer number (28866579).

Almost surely, 2^57733157 is an apocalyptic number.

It is an amenable number.

57733157 is a deficient number, since it is larger than the sum of its proper divisors (1).

57733157 is an equidigital number, since it uses as much as digits as its factorization.

57733157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77175, while the sum is 38.

The square root of 57733157 is about 7598.2338079319. The cubic root of 57733157 is about 386.4931212714.

The spelling of 57733157 in words is "fifty-seven million, seven hundred thirty-three thousand, one hundred fifty-seven".