56320985280 has 224 divisors, whose sum is σ = 204510168576. Its totient is φ = 12864208896.

The previous prime is 56320985269. The next prime is 56320985299. The reversal of 56320985280 is 8258902365.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 15232392 + ... + 15236088.

It is an arithmetic number, because the mean of its divisors is an integer number (912991824).

Almost surely, 2^56320985280 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 56320985280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102255084288).

56320985280 is an abundant number, since it is smaller than the sum of its proper divisors (148189183296).

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

56320985280 is a wasteful number, since it uses less digits than its factorization.

56320985280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991 (or 5981 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 56320985280 in words is "fifty-six billion, three hundred twenty million, nine hundred eighty-five thousand, two hundred eighty".