56422442833781 has 2 divisors, whose sum is σ = 56422442833782. Its totient is φ = 56422442833780.

The previous prime is 56422442833703. The next prime is 56422442833793. The reversal of 56422442833781 is 18733824422465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53183400363025 + 3239042470756 = 7292695^2 + 1799734^2 .

It is a cyclic number.

It is not a de Polignac number, because 56422442833781 - 2³⁸ = 56147564926837 is a prime.

It is a super-2 number, since 2×56422442833781² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56422442833781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56422442839781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28211221416890 + 28211221416891.

It is an arithmetic number, because the mean of its divisors is an integer number (28211221416891).

Almost surely, 2^{56422442833781} is an apocalyptic number.

It is an amenable number.

56422442833781 is a deficient number, since it is larger than the sum of its proper divisors (1).

56422442833781 is an equidigital number, since it uses as much as digits as its factorization.

56422442833781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61931520, while the sum is 59.

The spelling of 56422442833781 in words is "fifty-six trillion, four hundred twenty-two billion, four hundred forty-two million, eight hundred thirty-three thousand, seven hundred eighty-one".