57609859 has 2 divisors, whose sum is σ = 57609860. Its totient is φ = 57609858.

The previous prime is 57609833. The next prime is 57609869. The reversal of 57609859 is 95890675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57609859 - 2²¹ = 55512707 is a prime.

It is not a weakly prime, because it can be changed into another prime (57609829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28804929 + 28804930.

It is an arithmetic number, because the mean of its divisors is an integer number (28804930).

Almost surely, 2^57609859 is an apocalyptic number.

57609859 is a deficient number, since it is larger than the sum of its proper divisors (1).

57609859 is an equidigital number, since it uses as much as digits as its factorization.

57609859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 57609859 is about 7590.1158752683. The cubic root of 57609859 is about 386.2177867515.

The spelling of 57609859 in words is "fifty-seven million, six hundred nine thousand, eight hundred fifty-nine".