56581538021322 has 8 divisors (see below), whose sum is σ = 113163076042656. Its totient is φ = 18860512673772.

The previous prime is 56581538021291. The next prime is 56581538021329. The reversal of 56581538021322 is 22312083518565.

It is a sphenic number, since it is the product of 3 distinct primes.

56581538021322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (56581538021329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4715128168438 + ... + 4715128168449.

It is an arithmetic number, because the mean of its divisors is an integer number (14145384505332).

Almost surely, 2^{56581538021322} is an apocalyptic number.

56581538021322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56581538021322 is a wasteful number, since it uses less digits than its factorization.

56581538021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9430256336892.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 56581538021322 in words is "fifty-six trillion, five hundred eighty-one billion, five hundred thirty-eight million, twenty-one thousand, three hundred twenty-two".