56042069 has 2 divisors, whose sum is σ = 56042070. Its totient is φ = 56042068.

The previous prime is 56042059. The next prime is 56042093. The reversal of 56042069 is 96024065.

56042069 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 can be written as a sum of positive squares in only one way, i.e., 55726225 + 315844 = 7465^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 56042069 - 2²⁴ = 39264853 is a prime.

It is a super-2 number, since 2×56042069² = 6281426995601522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56042059) 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, 28021034 + 28021035.

It is an arithmetic number, because the mean of its divisors is an integer number (28021035).

Almost surely, 2^56042069 is an apocalyptic number.

It is an amenable number.

56042069 is a deficient number, since it is larger than the sum of its proper divisors (1).

56042069 is an equidigital number, since it uses as much as digits as its factorization.

56042069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 56042069 is about 7486.1250991417. The cubic root of 56042069 is about 382.6820162670.

The spelling of 56042069 in words is "fifty-six million, forty-two thousand, sixty-nine".