56277269 has 2 divisors, whose sum is σ = 56277270. Its totient is φ = 56277268.

The previous prime is 56277229. The next prime is 56277311. The reversal of 56277269 is 96277265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54982225 + 1295044 = 7415^2 + 1138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56277269 is a prime.

It is a super-2 number, since 2×56277269² = 6334262012196722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56277229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28138634 + 28138635.

It is an arithmetic number, because the mean of its divisors is an integer number (28138635).

Almost surely, 2^56277269 is an apocalyptic number.

It is an amenable number.

56277269 is a deficient number, since it is larger than the sum of its proper divisors (1).

56277269 is an equidigital number, since it uses as much as digits as its factorization.

56277269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 56277269 is about 7501.8177130613. The cubic root of 56277269 is about 383.2166217259.

The spelling of 56277269 in words is "fifty-six million, two hundred seventy-seven thousand, two hundred sixty-nine".