57013756881 has 4 divisors (see below), whose sum is σ = 76018342512. Its totient is φ = 38009171252.

The previous prime is 57013756871. The next prime is 57013756883. The reversal of 57013756881 is 18865731075.

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 57013756881 - 2³³ = 48423822289 is a prime.

It is a super-2 number, since 2×57013756881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57013756883) 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 3 ways as a sum of consecutive naturals, for example, 9502292811 + ... + 9502292816.

It is an arithmetic number, because the mean of its divisors is an integer number (19004585628).

Almost surely, 2^57013756881 is an apocalyptic number.

It is an amenable number.

57013756881 is a deficient number, since it is larger than the sum of its proper divisors (19004585631).

57013756881 is a wasteful number, since it uses less digits than its factorization.

57013756881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19004585630.

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 57013756881 in words is "fifty-seven billion, thirteen million, seven hundred fifty-six thousand, eight hundred eighty-one".