568561904 has 20 divisors (see below), whose sum is σ = 1113968880. Its totient is φ = 281086080.

The previous prime is 568561891. The next prime is 568561913. The reversal of 568561904 is 409165865.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 198212 + ... + 201059.

It is an arithmetic number, because the mean of its divisors is an integer number (55698444).

Almost surely, 2^568561904 is an apocalyptic number.

It is an amenable number.

568561904 is a deficient number, since it is larger than the sum of its proper divisors (545406976).

568561904 is a wasteful number, since it uses less digits than its factorization.

568561904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399368 (or 399362 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 568561904 is about 23844.5361456246. The cubic root of 568561904 is about 828.4365516711.

The spelling of 568561904 in words is "five hundred sixty-eight million, five hundred sixty-one thousand, nine hundred four".