56563751353 has 2 divisors, whose sum is σ = 56563751354. Its totient is φ = 56563751352.

The previous prime is 56563751327. The next prime is 56563751359. The reversal of 56563751353 is 35315736565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56535999529 + 27751824 = 237773^2 + 5268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56563751353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56563751297 and 56563751306.

It is not a weakly prime, because it can be changed into another prime (56563751359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28281875676 + 28281875677.

It is an arithmetic number, because the mean of its divisors is an integer number (28281875677).

Almost surely, 2^56563751353 is an apocalyptic number.

It is an amenable number.

56563751353 is a deficient number, since it is larger than the sum of its proper divisors (1).

56563751353 is an equidigital number, since it uses as much as digits as its factorization.

56563751353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4252500, while the sum is 49.

The spelling of 56563751353 in words is "fifty-six billion, five hundred sixty-three million, seven hundred fifty-one thousand, three hundred fifty-three".