57505857605 has 16 divisors (see below), whose sum is σ = 79073281920. Its totient is φ = 39328535232.

The previous prime is 57505857601. The next prime is 57505857611. The reversal of 57505857605 is 50675850575.

It is not a de Polignac number, because 57505857605 - 2² = 57505857601 is a prime.

It is a super-3 number, since 3×57505857605³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57505857601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2154314 + ... + 2180843.

It is an arithmetic number, because the mean of its divisors is an integer number (4942080120).

Almost surely, 2^57505857605 is an apocalyptic number.

It is an amenable number.

57505857605 is a deficient number, since it is larger than the sum of its proper divisors (21567424315).

57505857605 is a wasteful number, since it uses less digits than its factorization.

57505857605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335548.

The product of its (nonzero) digits is 7350000, while the sum is 53.

The spelling of 57505857605 in words is "fifty-seven billion, five hundred five million, eight hundred fifty-seven thousand, six hundred five".