56328881534380 has 192 divisors, whose sum is σ = 148294980191232. Its totient is φ = 17497677542400.

The previous prime is 56328881534369. The next prime is 56328881534383. The reversal of 56328881534380 is 8343518882365.

It is a super-2 number, since 2×56328881534380² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56328881534383) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32943555 + ... + 34611205.

It is an arithmetic number, because the mean of its divisors is an integer number (772369688496).

Almost surely, 2^{56328881534380} 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 56328881534380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74147490095616).

56328881534380 is an abundant number, since it is smaller than the sum of its proper divisors (91966098656852).

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

56328881534380 is a wasteful number, since it uses less digits than its factorization.

56328881534380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668024 (or 1668022 counting only the distinct ones).

The product of its (nonzero) digits is 132710400, while the sum is 64.

The spelling of 56328881534380 in words is "fifty-six trillion, three hundred twenty-eight billion, eight hundred eighty-one million, five hundred thirty-four thousand, three hundred eighty".