57366157 has 2 divisors, whose sum is σ = 57366158. Its totient is φ = 57366156.

The previous prime is 57366139. The next prime is 57366161. The reversal of 57366157 is 75166375.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57244356 + 121801 = 7566^2 + 349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57366157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57366167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28683078 + 28683079.

It is an arithmetic number, because the mean of its divisors is an integer number (28683079).

Almost surely, 2^57366157 is an apocalyptic number.

It is an amenable number.

57366157 is a deficient number, since it is larger than the sum of its proper divisors (1).

57366157 is an equidigital number, since it uses as much as digits as its factorization.

57366157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 40.

The square root of 57366157 is about 7574.0449562965. The cubic root of 57366157 is about 385.6724224668.

The spelling of 57366157 in words is "fifty-seven million, three hundred sixty-six thousand, one hundred fifty-seven".