56856481722 has 24 divisors (see below), whose sum is σ = 124876567764. Its totient is φ = 18692541504.

The previous prime is 56856481699. The next prime is 56856481729. The reversal of 56856481722 is 22718465865.

56856481722 is a `hidden beast` number, since 5 + 6 + 8 + 564 + 8 + 1 + 72 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56159046441 + 697435281 = 236979^2 + 26409^2 .

It is not an unprimeable number, because it can be changed into a prime (56856481729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21633573 + ... + 21636200.

Almost surely, 2^56856481722 is an apocalyptic number.

56856481722 is an abundant number, since it is smaller than the sum of its proper divisors (68020086042).

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

56856481722 is a wasteful number, since it uses less digits than its factorization.

56856481722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43269854 (or 43269851 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 56856481722 in words is "fifty-six billion, eight hundred fifty-six million, four hundred eighty-one thousand, seven hundred twenty-two".