56443263237353 has 2 divisors, whose sum is σ = 56443263237354. Its totient is φ = 56443263237352.

The previous prime is 56443263237331. The next prime is 56443263237359. The reversal of 56443263237353 is 35373236234465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53137568360704 + 3305694876649 = 7289552^2 + 1818157^2 .

It is a cyclic number.

It is not a de Polignac number, because 56443263237353 - 2³⁰ = 56442189495529 is a prime.

It is a super-2 number, since 2×56443263237353² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56443263237359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28221631618676 + 28221631618677.

It is an arithmetic number, because the mean of its divisors is an integer number (28221631618677).

Almost surely, 2^{56443263237353} is an apocalyptic number.

It is an amenable number.

56443263237353 is a deficient number, since it is larger than the sum of its proper divisors (1).

56443263237353 is an equidigital number, since it uses as much as digits as its factorization.

56443263237353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97977600, while the sum is 56.

The spelling of 56443263237353 in words is "fifty-six trillion, four hundred forty-three billion, two hundred sixty-three million, two hundred thirty-seven thousand, three hundred fifty-three".