56563044449 has 2 divisors, whose sum is σ = 56563044450. Its totient is φ = 56563044448.

The previous prime is 56563044407. The next prime is 56563044463. The reversal of 56563044449 is 94444036565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55797526225 + 765518224 = 236215^2 + 27668^2 .

It is a cyclic number.

It is not a de Polignac number, because 56563044449 - 2²⁴ = 56546267233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56563044397 and 56563044406.

It is not a weakly prime, because it can be changed into another prime (56563044049) 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, 28281522224 + 28281522225.

It is an arithmetic number, because the mean of its divisors is an integer number (28281522225).

Almost surely, 2^56563044449 is an apocalyptic number.

It is an amenable number.

56563044449 is a deficient number, since it is larger than the sum of its proper divisors (1).

56563044449 is an equidigital number, since it uses as much as digits as its factorization.

56563044449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 56563044449 in words is "fifty-six billion, five hundred sixty-three million, forty-four thousand, four hundred forty-nine".