56255277255269 has 2 divisors, whose sum is σ = 56255277255270. Its totient is φ = 56255277255268.

The previous prime is 56255277255253. The next prime is 56255277255271. The reversal of 56255277255269 is 96255277255265.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54644251230625 + 1611026024644 = 7392175^2 + 1269262^2 .

It is a cyclic number.

It is not a de Polignac number, because 56255277255269 - 2⁴ = 56255277255253 is a prime.

It is a super-2 number, since 2×56255277255269² (a number of 28 digits) contains 22 as substring.

Together with 56255277255271, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56255277255199 and 56255277255208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56255277255169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28127638627634 + 28127638627635.

It is an arithmetic number, because the mean of its divisors is an integer number (28127638627635).

Almost surely, 2^{56255277255269} is an apocalyptic number.

It is an amenable number.

56255277255269 is a deficient number, since it is larger than the sum of its proper divisors (1).

56255277255269 is an equidigital number, since it uses as much as digits as its factorization.

56255277255269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800000, while the sum is 68.

The spelling of 56255277255269 in words is "fifty-six trillion, two hundred fifty-five billion, two hundred seventy-seven million, two hundred fifty-five thousand, two hundred sixty-nine".