56440117 has 2 divisors, whose sum is σ = 56440118. Its totient is φ = 56440116.

The previous prime is 56440103. The next prime is 56440159. The reversal of 56440117 is 71104465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42497361 + 13942756 = 6519^2 + 3734^2 .

It is a cyclic number.

It is not a de Polignac number, because 56440117 - 2⁷ = 56439989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56440717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28220058 + 28220059.

It is an arithmetic number, because the mean of its divisors is an integer number (28220059).

Almost surely, 2^56440117 is an apocalyptic number.

It is an amenable number.

56440117 is a deficient number, since it is larger than the sum of its proper divisors (1).

56440117 is an equidigital number, since it uses as much as digits as its factorization.

56440117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 56440117 is about 7512.6637752531. The cubic root of 56440117 is about 383.5859002633.

The spelling of 56440117 in words is "fifty-six million, four hundred forty thousand, one hundred seventeen".