557009190565 has 4 divisors (see below), whose sum is σ = 668411028684. Its totient is φ = 445607352448.

The previous prime is 557009190547. The next prime is 557009190587. The reversal of 557009190565 is 565091900755.

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

It can be written as a sum of positive squares in 2 ways, for example, as 83497303681 + 473511886884 = 288959^2 + 688122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557009190565 is a prime.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55700919052 + ... + 55700919061.

It is an arithmetic number, because the mean of its divisors is an integer number (167102757171).

Almost surely, 2^557009190565 is an apocalyptic number.

It is an amenable number.

557009190565 is a deficient number, since it is larger than the sum of its proper divisors (111401838119).

557009190565 is a wasteful number, since it uses less digits than its factorization.

557009190565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111401838118.

The product of its (nonzero) digits is 2126250, while the sum is 52.

The spelling of 557009190565 in words is "five hundred fifty-seven billion, nine million, one hundred ninety thousand, five hundred sixty-five".