57959857 has 2 divisors, whose sum is σ = 57959858. Its totient is φ = 57959856.

The previous prime is 57959843. The next prime is 57959873. The reversal of 57959857 is 75895975.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56791296 + 1168561 = 7536^2 + 1081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57959857 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57959798 and 57959807.

It is not a weakly prime, because it can be changed into another prime (57959807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28979928 + 28979929.

It is an arithmetic number, because the mean of its divisors is an integer number (28979929).

Almost surely, 2^57959857 is an apocalyptic number.

It is an amenable number.

57959857 is a deficient number, since it is larger than the sum of its proper divisors (1).

57959857 is an equidigital number, since it uses as much as digits as its factorization.

57959857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3969000, while the sum is 55.

The square root of 57959857 is about 7613.1371326149. The cubic root of 57959857 is about 386.9983396582.

The spelling of 57959857 in words is "fifty-seven million, nine hundred fifty-nine thousand, eight hundred fifty-seven".