55045341217 has 2 divisors, whose sum is σ = 55045341218. Its totient is φ = 55045341216.

The previous prime is 55045341191. The next prime is 55045341251. The reversal of 55045341217 is 71214354055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43899049441 + 11146291776 = 209521^2 + 105576^2 .

It is a cyclic number.

It is not a de Polignac number, because 55045341217 - 2⁷ = 55045341089 is a prime.

It is not a weakly prime, because it can be changed into another prime (55045341257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27522670608 + 27522670609.

It is an arithmetic number, because the mean of its divisors is an integer number (27522670609).

Almost surely, 2^55045341217 is an apocalyptic number.

It is an amenable number.

55045341217 is a deficient number, since it is larger than the sum of its proper divisors (1).

55045341217 is an equidigital number, since it uses as much as digits as its factorization.

55045341217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 55045341217 in words is "fifty-five billion, forty-five million, three hundred forty-one thousand, two hundred seventeen".