56446770433 has 2 divisors, whose sum is σ = 56446770434. Its totient is φ = 56446770432.

The previous prime is 56446770397. The next prime is 56446770533. The reversal of 56446770433 is 33407764465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56117819664 + 328950769 = 236892^2 + 18137^2 .

It is a cyclic number.

It is not a de Polignac number, because 56446770433 - 2⁹ = 56446769921 is a prime.

It is not a weakly prime, because it can be changed into another prime (56446770533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28223385216 + 28223385217.

It is an arithmetic number, because the mean of its divisors is an integer number (28223385217).

Almost surely, 2^56446770433 is an apocalyptic number.

It is an amenable number.

56446770433 is a deficient number, since it is larger than the sum of its proper divisors (1).

56446770433 is an equidigital number, since it uses as much as digits as its factorization.

56446770433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 49.

The spelling of 56446770433 in words is "fifty-six billion, four hundred forty-six million, seven hundred seventy thousand, four hundred thirty-three".