57659939 has 2 divisors, whose sum is σ = 57659940. Its totient is φ = 57659938.

The previous prime is 57659909. The next prime is 57659941. The reversal of 57659939 is 93995675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57659939 - 2⁸ = 57659683 is a prime.

Together with 57659941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57659909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28829969 + 28829970.

It is an arithmetic number, because the mean of its divisors is an integer number (28829970).

Almost surely, 2^57659939 is an apocalyptic number.

57659939 is a deficient number, since it is larger than the sum of its proper divisors (1).

57659939 is an equidigital number, since it uses as much as digits as its factorization.

57659939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2296350, while the sum is 53.

The square root of 57659939 is about 7593.4141859904. The cubic root of 57659939 is about 386.3296668199.

The spelling of 57659939 in words is "fifty-seven million, six hundred fifty-nine thousand, nine hundred thirty-nine".