557605197 has 12 divisors (see below), whose sum is σ = 806157820. Its totient is φ = 371400768.

The previous prime is 557605193. The next prime is 557605199. The reversal of 557605197 is 791506755.

It is a happy number.

557605197 is a `hidden beast` number, since 557 + 6 + 0 + 5 + 1 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 334670436 + 222934761 = 18294^2 + 14931^2 .

It is not a de Polignac number, because 557605197 - 2² = 557605193 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 (557605193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17278 + ... + 37599.

Almost surely, 2^557605197 is an apocalyptic number.

It is an amenable number.

557605197 is a deficient number, since it is larger than the sum of its proper divisors (248552623).

557605197 is a wasteful number, since it uses less digits than its factorization.

557605197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56012 (or 56009 counting only the distinct ones).

The product of its (nonzero) digits is 330750, while the sum is 45.

The square root of 557605197 is about 23613.6654715019. The cubic root of 557605197 is about 823.0804208055.

The spelling of 557605197 in words is "five hundred fifty-seven million, six hundred five thousand, one hundred ninety-seven".