57000609 has 24 divisors (see below), whose sum is σ = 89542440. Its totient is φ = 34795008.

The previous prime is 57000583. The next prime is 57000617. The reversal of 57000609 is 90600075.

57000609 is a `hidden beast` number, since 57 + 0 + 0 + 0 + 609 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20277009 + 36723600 = 4503^2 + 6060^2 .

It is not a de Polignac number, because 57000609 - 2⁷ = 57000481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57000679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 627 + ... + 10695.

It is an arithmetic number, because the mean of its divisors is an integer number (3730935).

Almost surely, 2^57000609 is an apocalyptic number.

It is an amenable number.

57000609 is a deficient number, since it is larger than the sum of its proper divisors (32541831).

57000609 is a wasteful number, since it uses less digits than its factorization.

57000609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10129 (or 10126 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 57000609 is about 7549.8747671733. The cubic root of 57000609 is about 384.8514837293.

The spelling of 57000609 in words is "fifty-seven million, six hundred nine", and thus it is an aban number.