56712269 has 2 divisors, whose sum is σ = 56712270. Its totient is φ = 56712268.

The previous prime is 56712259. The next prime is 56712277. The reversal of 56712269 is 96221765.

It is a happy number.

56712269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46758244 + 9954025 = 6838^2 + 3155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56712269 is a prime.

It is a super-2 number, since 2×56712269² = 6432562910256722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56712209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28356134 + 28356135.

It is an arithmetic number, because the mean of its divisors is an integer number (28356135).

Almost surely, 2^56712269 is an apocalyptic number.

It is an amenable number.

56712269 is a deficient number, since it is larger than the sum of its proper divisors (1).

56712269 is an equidigital number, since it uses as much as digits as its factorization.

56712269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 56712269 is about 7530.7548758408. The cubic root of 56712269 is about 384.2014572435.

The spelling of 56712269 in words is "fifty-six million, seven hundred twelve thousand, two hundred sixty-nine".