56217004840000 has 105 divisors (see below), whose sum is σ = 139403619997257. Its totient is φ = 22486202112000.

The previous prime is 56217004839953. The next prime is 56217004840063. The reversal of 56217004840000 is 4840071265.

The square root of 56217004840000 is 7497800.

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

It can be written as a sum of positive squares in 7 ways, for example, as 14996906837056 + 41220098002944 = 3872584^2 + 6420288^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1499541256 + ... + 1499578744.

Almost surely, 2^{56217004840000} is an apocalyptic number.

56217004840000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56217004840000 is the 7497800-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56217004840000

56217004840000 is an abundant number, since it is smaller than the sum of its proper divisors (83186615157257).

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

56217004840000 is an frugal number, since it uses more digits than its factorization.

56217004840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75010 (or 37496 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 56217004840000 in words is "fifty-six trillion, two hundred seventeen billion, four million, eight hundred forty thousand".