56480169281 has 2 divisors, whose sum is σ = 56480169282. Its totient is φ = 56480169280.

The previous prime is 56480169271. The next prime is 56480169289. The reversal of 56480169281 is 18296108465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36716308225 + 19763861056 = 191615^2 + 140584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56480169281 is a prime.

It is a super-2 number, since 2×56480169281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56480169289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28240084640 + 28240084641.

It is an arithmetic number, because the mean of its divisors is an integer number (28240084641).

Almost surely, 2^56480169281 is an apocalyptic number.

It is an amenable number.

56480169281 is a deficient number, since it is larger than the sum of its proper divisors (1).

56480169281 is an equidigital number, since it uses as much as digits as its factorization.

56480169281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 56480169281 in words is "fifty-six billion, four hundred eighty million, one hundred sixty-nine thousand, two hundred eighty-one".