56017470449 has 2 divisors, whose sum is σ = 56017470450. Its totient is φ = 56017470448.

The previous prime is 56017470413. The next prime is 56017470497. The reversal of 56017470449 is 94407471065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54428890000 + 1588580449 = 233300^2 + 39857^2 .

It is a cyclic number.

It is not a de Polignac number, because 56017470449 - 2²⁰ = 56016421873 is a prime.

It is not a weakly prime, because it can be changed into another prime (56017478449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28008735224 + 28008735225.

It is an arithmetic number, because the mean of its divisors is an integer number (28008735225).

Almost surely, 2^56017470449 is an apocalyptic number.

It is an amenable number.

56017470449 is a deficient number, since it is larger than the sum of its proper divisors (1).

56017470449 is an equidigital number, since it uses as much as digits as its factorization.

56017470449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 56017470449 in words is "fifty-six billion, seventeen million, four hundred seventy thousand, four hundred forty-nine".