57173431163 has 4 divisors (see below), whose sum is σ = 57174754608. Its totient is φ = 57172107720.

The previous prime is 57173431129. The next prime is 57173431169. The reversal of 57173431163 is 36113437175.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57173431163 is a prime.

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 57173431163.

It is not an unprimeable number, because it can be changed into a prime (57173431169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594656 + ... + 684077.

It is an arithmetic number, because the mean of its divisors is an integer number (14293688652).

Almost surely, 2^57173431163 is an apocalyptic number.

57173431163 is a deficient number, since it is larger than the sum of its proper divisors (1323445).

57173431163 is a wasteful number, since it uses less digits than its factorization.

57173431163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323444.

The product of its digits is 158760, while the sum is 41.

The spelling of 57173431163 in words is "fifty-seven billion, one hundred seventy-three million, four hundred thirty-one thousand, one hundred sixty-three".