56563853216 has 48 divisors (see below), whose sum is σ = 122851313928. Its totient is φ = 25469644800.

The previous prime is 56563853191. The next prime is 56563853231. The reversal of 56563853216 is 61235836565.

It can be written as a sum of positive squares in 4 ways, for example, as 33780969616 + 22782883600 = 183796^2 + 150940^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1641125 + ... + 1675236.

Almost surely, 2^56563853216 is an apocalyptic number.

It is an amenable number.

56563853216 is an abundant number, since it is smaller than the sum of its proper divisors (66287460712).

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

56563853216 is a wasteful number, since it uses less digits than its factorization.

56563853216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316425 (or 3316417 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 50.

The spelling of 56563853216 in words is "fifty-six billion, five hundred sixty-three million, eight hundred fifty-three thousand, two hundred sixteen".