56554304017 has 2 divisors, whose sum is σ = 56554304018. Its totient is φ = 56554304016.

The previous prime is 56554303999. The next prime is 56554304033. The reversal of 56554304017 is 71040345565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50683066641 + 5871237376 = 225129^2 + 76624^2 .

It is a cyclic number.

It is not a de Polignac number, because 56554304017 - 2⁷ = 56554303889 is a prime.

It is not a weakly prime, because it can be changed into another prime (56554304057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28277152008 + 28277152009.

It is an arithmetic number, because the mean of its divisors is an integer number (28277152009).

Almost surely, 2^56554304017 is an apocalyptic number.

It is an amenable number.

56554304017 is a deficient number, since it is larger than the sum of its proper divisors (1).

56554304017 is an equidigital number, since it uses as much as digits as its factorization.

56554304017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 56554304017 in words is "fifty-six billion, five hundred fifty-four million, three hundred four thousand, seventeen".