57000000015 has 24 divisors (see below), whose sum is σ = 112914286368. Its totient is φ = 26057142720.

The previous prime is 57000000011. The next prime is 57000000107. The reversal of 57000000015 is 51000000075.

It is a happy number.

It is not a de Polignac number, because 57000000015 - 2² = 57000000011 is a prime.

It is a super-4 number, since 4×57000000015⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57000000011) 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, 90475876 + ... + 90476505.

It is an arithmetic number, because the mean of its divisors is an integer number (4704761932).

Almost surely, 2^57000000015 is an apocalyptic number.

57000000015 is a deficient number, since it is larger than the sum of its proper divisors (55914286353).

57000000015 is a wasteful number, since it uses less digits than its factorization.

57000000015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180952399 (or 180952396 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The spelling of 57000000015 in words is "fifty-seven billion, fifteen", and thus it is an aban number and an uban number.