56217305088 has 504 divisors, whose sum is σ = 198910578048. Its totient is φ = 14948499456.

The previous prime is 56217305063. The next prime is 56217305093. The reversal of 56217305088 is 88050371265.

56217305088 is a `hidden beast` number, since 56 + 21 + 73 + 0 + 508 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1519386606 + ... + 1519386642.

Almost surely, 2^56217305088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56217305088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99455289024).

56217305088 is an abundant number, since it is smaller than the sum of its proper divisors (142693272960).

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

56217305088 is an frugal number, since it uses more digits than its factorization.

56217305088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 56217305088 in words is "fifty-six billion, two hundred seventeen million, three hundred five thousand, eighty-eight".