57312706517 has 4 divisors (see below), whose sum is σ = 62522952576. Its totient is φ = 52102460460.

The previous prime is 57312706499. The next prime is 57312706519. The reversal of 57312706517 is 71560721375.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57312706517 - 2¹⁰ = 57312705493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57312706519) 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, 2605123013 + ... + 2605123034.

It is an arithmetic number, because the mean of its divisors is an integer number (15630738144).

Almost surely, 2^57312706517 is an apocalyptic number.

It is an amenable number.

57312706517 is a deficient number, since it is larger than the sum of its proper divisors (5210246059).

57312706517 is a wasteful number, since it uses less digits than its factorization.

57312706517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210246058.

The product of its (nonzero) digits is 308700, while the sum is 44.

The spelling of 57312706517 in words is "fifty-seven billion, three hundred twelve million, seven hundred six thousand, five hundred seventeen".