56381528960 has 256 divisors, whose sum is σ = 140878483200. Its totient is φ = 21565440000.

The previous prime is 56381528933. The next prime is 56381528989. The reversal of 56381528960 is 6982518365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311500070 + ... + 311500250.

It is an arithmetic number, because the mean of its divisors is an integer number (550306575).

Almost surely, 2^56381528960 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 56381528960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70439241600).

56381528960 is an abundant number, since it is smaller than the sum of its proper divisors (84496954240).

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

56381528960 is a wasteful number, since it uses less digits than its factorization.

56381528960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 56381528960 in words is "fifty-six billion, three hundred eighty-one million, five hundred twenty-eight thousand, nine hundred sixty".