56055269 has 2 divisors, whose sum is σ = 56055270. Its totient is φ = 56055268.

The previous prime is 56055247. The next prime is 56055271. The reversal of 56055269 is 96255065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56055169 + 100 = 7487^2 + 10^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56055269 is a prime.

It is a super-2 number, since 2×56055269² = 6284386365324722, which contains 22 as substring.

Together with 56055271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56055229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28027634 + 28027635.

It is an arithmetic number, because the mean of its divisors is an integer number (28027635).

Almost surely, 2^56055269 is an apocalyptic number.

It is an amenable number.

56055269 is a deficient number, since it is larger than the sum of its proper divisors (1).

56055269 is an equidigital number, since it uses as much as digits as its factorization.

56055269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 56055269 is about 7487.0066782393. The cubic root of 56055269 is about 382.7120592101.

The spelling of 56055269 in words is "fifty-six million, fifty-five thousand, two hundred sixty-nine".