57352157 has 2 divisors, whose sum is σ = 57352158. Its totient is φ = 57352156.

The previous prime is 57352093. The next prime is 57352171. The reversal of 57352157 is 75125375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46977316 + 10374841 = 6854^2 + 3221^2 .

It is a cyclic number.

It is not a de Polignac number, because 57352157 - 2⁶ = 57352093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57352177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28676078 + 28676079.

It is an arithmetic number, because the mean of its divisors is an integer number (28676079).

Almost surely, 2^57352157 is an apocalyptic number.

It is an amenable number.

57352157 is a deficient number, since it is larger than the sum of its proper divisors (1).

57352157 is an equidigital number, since it uses as much as digits as its factorization.

57352157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36750, while the sum is 35.

The square root of 57352157 is about 7573.1206909701. The cubic root of 57352157 is about 385.6410459347.

The spelling of 57352157 in words is "fifty-seven million, three hundred fifty-two thousand, one hundred fifty-seven".