57709907 has 2 divisors, whose sum is σ = 57709908. Its totient is φ = 57709906.

The previous prime is 57709901. The next prime is 57709909. The reversal of 57709907 is 70990775.

57709907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57709907 - 2¹⁰ = 57708883 is a prime.

Together with 57709909, 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 (57709901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28854953 + 28854954.

It is an arithmetic number, because the mean of its divisors is an integer number (28854954).

Almost surely, 2^57709907 is an apocalyptic number.

57709907 is a deficient number, since it is larger than the sum of its proper divisors (1).

57709907 is an equidigital number, since it uses as much as digits as its factorization.

57709907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138915, while the sum is 44.

The square root of 57709907 is about 7596.7036930500. The cubic root of 57709907 is about 386.4412321314.

The spelling of 57709907 in words is "fifty-seven million, seven hundred nine thousand, nine hundred seven".