56220326025389 has 2 divisors, whose sum is σ = 56220326025390. Its totient is φ = 56220326025388.

The previous prime is 56220326025377. The next prime is 56220326025431. The reversal of 56220326025389 is 98352062302265.

It is a happy number.

56220326025389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55062855589225 + 1157470436164 = 7420435^2 + 1075858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56220326025389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56220326025389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56220326025349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28110163012694 + 28110163012695.

It is an arithmetic number, because the mean of its divisors is an integer number (28110163012695).

Almost surely, 2^{56220326025389} is an apocalyptic number.

It is an amenable number.

56220326025389 is a deficient number, since it is larger than the sum of its proper divisors (1).

56220326025389 is an equidigital number, since it uses as much as digits as its factorization.

56220326025389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 56220326025389 in words is "fifty-six trillion, two hundred twenty billion, three hundred twenty-six million, twenty-five thousand, three hundred eighty-nine".