57000666601 has 4 divisors (see below), whose sum is σ = 58390926804. Its totient is φ = 55610406400.

The previous prime is 57000666557. The next prime is 57000666617. The reversal of 57000666601 is 10666600075.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3962576601 + 53038090000 = 62949^2 + 230300^2 .

It is a cyclic number.

It is not a de Polignac number, because 57000666601 - 2³³ = 48410732009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57000667601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695130040 + ... + 695130121.

It is an arithmetic number, because the mean of its divisors is an integer number (14597731701).

Almost surely, 2^57000666601 is an apocalyptic number.

It is an amenable number.

57000666601 is a deficient number, since it is larger than the sum of its proper divisors (1390260203).

57000666601 is a wasteful number, since it uses less digits than its factorization.

57000666601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390260202.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 57000666601 in words is "fifty-seven billion, six hundred sixty-six thousand, six hundred one".