557693165 has 8 divisors (see below), whose sum is σ = 669754008. Its totient is φ = 445806400.

The previous prime is 557693141. The next prime is 557693179. The reversal of 557693165 is 561396755.

It can be written as a sum of positive squares in 4 ways, for example, as 11162281 + 546530884 = 3341^2 + 23378^2 .

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

It is not a de Polignac number, because 557693165 - 2⁸ = 557692909 is a prime.

It is a super-2 number, since 2×557693165² = 622043332575434450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36362 + ... + 49371.

It is an arithmetic number, because the mean of its divisors is an integer number (83719251).

Almost surely, 2^557693165 is an apocalyptic number.

It is an amenable number.

557693165 is a deficient number, since it is larger than the sum of its proper divisors (112060843).

557693165 is a wasteful number, since it uses less digits than its factorization.

557693165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87039.

The product of its digits is 850500, while the sum is 47.

The square root of 557693165 is about 23615.5280482991. The cubic root of 557693165 is about 823.1237016857.

The spelling of 557693165 in words is "five hundred fifty-seven million, six hundred ninety-three thousand, one hundred sixty-five".