57617800131 has 4 divisors (see below), whose sum is σ = 76823733512. Its totient is φ = 38411866752.

The previous prime is 57617800063. The next prime is 57617800133. The reversal of 57617800131 is 13100871675.

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

It is not a de Polignac number, because 57617800131 - 2⁹ = 57617799619 is a prime.

It is a super-2 number, since 2×57617800131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57617800131.

It is not an unprimeable number, because it can be changed into a prime (57617800133) 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, 9602966686 + ... + 9602966691.

It is an arithmetic number, because the mean of its divisors is an integer number (19205933378).

Almost surely, 2^57617800131 is an apocalyptic number.

57617800131 is a deficient number, since it is larger than the sum of its proper divisors (19205933381).

57617800131 is a wasteful number, since it uses less digits than its factorization.

57617800131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19205933380.

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 57617800131 in words is "fifty-seven billion, six hundred seventeen million, eight hundred thousand, one hundred thirty-one".