55319040017 has 2 divisors, whose sum is σ = 55319040018. Its totient is φ = 55319040016.

The previous prime is 55319040013. The next prime is 55319040083. The reversal of 55319040017 is 71004091355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33935534656 + 21383505361 = 184216^2 + 146231^2 .

It is a cyclic number.

It is not a de Polignac number, because 55319040017 - 2² = 55319040013 is a prime.

It is not a weakly prime, because it can be changed into another prime (55319040013) 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, 27659520008 + 27659520009.

It is an arithmetic number, because the mean of its divisors is an integer number (27659520009).

Almost surely, 2^55319040017 is an apocalyptic number.

It is an amenable number.

55319040017 is a deficient number, since it is larger than the sum of its proper divisors (1).

55319040017 is an equidigital number, since it uses as much as digits as its factorization.

55319040017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 55319040017 in words is "fifty-five billion, three hundred nineteen million, forty thousand, seventeen".