56267791 has 2 divisors, whose sum is σ = 56267792. Its totient is φ = 56267790.

The previous prime is 56267777. The next prime is 56267831. The reversal of 56267791 is 19776265.

56267791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56267791 - 2¹⁷ = 56136719 is a prime.

It is a super-3 number, since 3×56267791³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56267711) 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, 28133895 + 28133896.

It is an arithmetic number, because the mean of its divisors is an integer number (28133896).

Almost surely, 2^56267791 is an apocalyptic number.

56267791 is a deficient number, since it is larger than the sum of its proper divisors (1).

56267791 is an equidigital number, since it uses as much as digits as its factorization.

56267791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 56267791 is about 7501.1859728979. The cubic root of 56267791 is about 383.1951072309.

The spelling of 56267791 in words is "fifty-six million, two hundred sixty-seven thousand, seven hundred ninety-one".