56136617 has 2 divisors, whose sum is σ = 56136618. Its totient is φ = 56136616.

The previous prime is 56136611. The next prime is 56136631. The reversal of 56136617 is 71663165.

It is a happy number.

56136617 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., 50395801 + 5740816 = 7099^2 + 2396^2 .

It is a cyclic number.

It is not a de Polignac number, because 56136617 - 2⁸ = 56136361 is a prime.

It is not a weakly prime, because it can be changed into another prime (56136611) 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, 28068308 + 28068309.

It is an arithmetic number, because the mean of its divisors is an integer number (28068309).

Almost surely, 2^56136617 is an apocalyptic number.

It is an amenable number.

56136617 is a deficient number, since it is larger than the sum of its proper divisors (1).

56136617 is an equidigital number, since it uses as much as digits as its factorization.

56136617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 56136617 is about 7492.4373203918. The cubic root of 56136617 is about 382.8971016582.

The spelling of 56136617 in words is "fifty-six million, one hundred thirty-six thousand, six hundred seventeen".