557666044 has 24 divisors (see below), whose sum is σ = 1063656720. Its totient is φ = 254281344.

The previous prime is 557666023. The next prime is 557666059. The reversal of 557666044 is 440666755.

It is a happy 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, 60289 + ... + 68920.

It is an arithmetic number, because the mean of its divisors is an integer number (44319030).

Almost surely, 2^557666044 is an apocalyptic number.

It is an amenable number.

557666044 is a deficient number, since it is larger than the sum of its proper divisors (505990676).

557666044 is a wasteful number, since it uses less digits than its factorization.

557666044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129309 (or 129307 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The square root of 557666044 is about 23614.9538216783. The cubic root of 557666044 is about 823.1103584466.

The spelling of 557666044 in words is "five hundred fifty-seven million, six hundred sixty-six thousand, forty-four".