557185793522 has 6 divisors (see below), whose sum is σ = 835780273743. Its totient is φ = 278592368942.

The previous prime is 557185793497. The next prime is 557185793573. The reversal of 557185793522 is 225397581755.

It can be written as a sum of positive squares in only one way, i.e., 278592896761 + 278592896761 = 527819^2 + 527819^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=527819.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 791729 + ... + 1319547.

Almost surely, 2^557185793522 is an apocalyptic number.

557185793522 is a deficient number, since it is larger than the sum of its proper divisors (278594480221).

557185793522 is an frugal number, since it uses more digits than its factorization.

557185793522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055640 (or 527821 counting only the distinct ones).

The product of its digits is 26460000, while the sum is 59.

The spelling of 557185793522 in words is "five hundred fifty-seven billion, one hundred eighty-five million, seven hundred ninety-three thousand, five hundred twenty-two".