56683991056 has 135 divisors (see below), whose sum is σ = 140607786333. Its totient is φ = 22056101760.

The previous prime is 56683991051. The next prime is 56683991087. The reversal of 56683991056 is 65019938665.

The square root of 56683991056 is 238084.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3607203600 + 53076787456 = 60060^2 + 230384^2 .

It is not an unprimeable number, because it can be changed into a prime (56683991051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 73329486 + ... + 73330258.

Almost surely, 2^56683991056 is an apocalyptic number.

56683991056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

56683991056 is the 238084-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56683991056

56683991056 is an abundant number, since it is smaller than the sum of its proper divisors (83923795277).

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

56683991056 is an equidigital number, since it uses as much as digits as its factorization.

56683991056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 58.

The spelling of 56683991056 in words is "fifty-six billion, six hundred eighty-three million, nine hundred ninety-one thousand, fifty-six".