563903856 has 60 divisors (see below), whose sum is σ = 1636608792. Its totient is φ = 187966656.

The previous prime is 563903833. The next prime is 563903897. The reversal of 563903856 is 658309365.

563903856 is a `hidden beast` number, since 5 + 639 + 0 + 3 + 8 + 5 + 6 = 666.

563903856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68631 + ... + 76406.

Almost surely, 2^563903856 is an apocalyptic number.

It is an amenable number.

563903856 is an abundant number, since it is smaller than the sum of its proper divisors (1072704936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563903856 is a wasteful number, since it uses less digits than its factorization.

563903856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145060 (or 145042 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 563903856 is about 23746.6598914458. The cubic root of 563903856 is about 826.1679721400.

The spelling of 563903856 in words is "five hundred sixty-three million, nine hundred three thousand, eight hundred fifty-six".