57117337 has 2 divisors, whose sum is σ = 57117338. Its totient is φ = 57117336.

The previous prime is 57117329. The next prime is 57117343. The reversal of 57117337 is 73371175.

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., 56791296 + 326041 = 7536^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 57117337 - 2³ = 57117329 is a prime.

It is not a weakly prime, because it can be changed into another prime (57117367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28558668 + 28558669.

It is an arithmetic number, because the mean of its divisors is an integer number (28558669).

Almost surely, 2^57117337 is an apocalyptic number.

It is an amenable number.

57117337 is a deficient number, since it is larger than the sum of its proper divisors (1).

57117337 is an equidigital number, since it uses as much as digits as its factorization.

57117337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15435, while the sum is 34.

The square root of 57117337 is about 7557.6012728908. The cubic root of 57117337 is about 385.1140090757.

The spelling of 57117337 in words is "fifty-seven million, one hundred seventeen thousand, three hundred thirty-seven".