57607997 has 2 divisors, whose sum is σ = 57607998. Its totient is φ = 57607996.

The previous prime is 57607987. The next prime is 57608011. The reversal of 57607997 is 79970675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53963716 + 3644281 = 7346^2 + 1909^2 .

It is a cyclic number.

It is not a de Polignac number, because 57607997 - 2⁸ = 57607741 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 (57607937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28803998 + 28803999.

It is an arithmetic number, because the mean of its divisors is an integer number (28803999).

Almost surely, 2^57607997 is an apocalyptic number.

It is an amenable number.

57607997 is a deficient number, since it is larger than the sum of its proper divisors (1).

57607997 is an equidigital number, since it uses as much as digits as its factorization.

57607997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 833490, while the sum is 50.

The square root of 57607997 is about 7589.9932147532. The cubic root of 57607997 is about 386.2136257434.

The spelling of 57607997 in words is "fifty-seven million, six hundred seven thousand, nine hundred ninety-seven".