55522000217 has 2 divisors, whose sum is σ = 55522000218. Its totient is φ = 55522000216.

The previous prime is 55522000181. The next prime is 55522000223. The reversal of 55522000217 is 71200022555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33701983561 + 21820016656 = 183581^2 + 147716^2 .

It is a cyclic number.

It is not a de Polignac number, because 55522000217 - 2¹⁰ = 55521999193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55522000217.

It is not a weakly prime, because it can be changed into another prime (55522000267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27761000108 + 27761000109.

It is an arithmetic number, because the mean of its divisors is an integer number (27761000109).

Almost surely, 2^55522000217 is an apocalyptic number.

It is an amenable number.

55522000217 is a deficient number, since it is larger than the sum of its proper divisors (1).

55522000217 is an equidigital number, since it uses as much as digits as its factorization.

55522000217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7000, while the sum is 29.

The spelling of 55522000217 in words is "fifty-five billion, five hundred twenty-two million, two hundred seventeen", and thus it is an aban number.