56006049917 has 2 divisors, whose sum is σ = 56006049918. Its totient is φ = 56006049916.

The previous prime is 56006049907. The next prime is 56006049991. The reversal of 56006049917 is 71994060065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31659440761 + 24346609156 = 177931^2 + 156034^2 .

It is a cyclic number.

It is not a de Polignac number, because 56006049917 - 2²⁰ = 56005001341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56006049907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28003024958 + 28003024959.

It is an arithmetic number, because the mean of its divisors is an integer number (28003024959).

Almost surely, 2^56006049917 is an apocalyptic number.

It is an amenable number.

56006049917 is a deficient number, since it is larger than the sum of its proper divisors (1).

56006049917 is an equidigital number, since it uses as much as digits as its factorization.

56006049917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 56006049917 in words is "fifty-six billion, six million, forty-nine thousand, nine hundred seventeen".