557316173 has 8 divisors (see below), whose sum is σ = 561723000. Its totient is φ = 552918528.

The previous prime is 557316167. The next prime is 557316181. The reversal of 557316173 is 371613755.

It can be written as a sum of positive squares in 4 ways, for example, as 18472804 + 538843369 = 4298^2 + 23213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 557316173 - 2⁸ = 557315917 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 (557316103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166565 + ... + 169877.

It is an arithmetic number, because the mean of its divisors is an integer number (70215375).

Almost surely, 2^557316173 is an apocalyptic number.

It is an amenable number.

557316173 is a deficient number, since it is larger than the sum of its proper divisors (4406827).

557316173 is a wasteful number, since it uses less digits than its factorization.

557316173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591.

The product of its digits is 66150, while the sum is 38.

The square root of 557316173 is about 23607.5448321082. The cubic root of 557316173 is about 822.9381868912.

The spelling of 557316173 in words is "five hundred fifty-seven million, three hundred sixteen thousand, one hundred seventy-three".