56021596920960 has 512 divisors, whose sum is σ = 202600020787200. Its totient is φ = 13046659891200.

The previous prime is 56021596920943. The next prime is 56021596920967. The reversal of 56021596920960 is 6902969512065.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 56021596920894 and 56021596920903.

It is not an unprimeable number, because it can be changed into a prime (56021596920967) 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, 61280025 + ... + 62187495.

It is an arithmetic number, because the mean of its divisors is an integer number (395703165600).

Almost surely, 2^{56021596920960} 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 56021596920960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101300010393600).

56021596920960 is an abundant number, since it is smaller than the sum of its proper divisors (146578423866240).

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

56021596920960 is a wasteful number, since it uses less digits than its factorization.

56021596920960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907620 (or 907608 counting only the distinct ones).

The product of its (nonzero) digits is 15746400, while the sum is 60.

The spelling of 56021596920960 in words is "fifty-six trillion, twenty-one billion, five hundred ninety-six million, nine hundred twenty thousand, nine hundred sixty".