55334829217 has 2 divisors, whose sum is σ = 55334829218. Its totient is φ = 55334829216.

The previous prime is 55334829169. The next prime is 55334829247. The reversal of 55334829217 is 71292843355.

55334829217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54580173376 + 754655841 = 233624^2 + 27471^2 .

It is a cyclic number.

It is not a de Polignac number, because 55334829217 - 2¹⁵ = 55334796449 is a prime.

It is not a weakly prime, because it can be changed into another prime (55334829247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27667414608 + 27667414609.

It is an arithmetic number, because the mean of its divisors is an integer number (27667414609).

Almost surely, 2^55334829217 is an apocalyptic number.

It is an amenable number.

55334829217 is a deficient number, since it is larger than the sum of its proper divisors (1).

55334829217 is an equidigital number, since it uses as much as digits as its factorization.

55334829217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 49.

The spelling of 55334829217 in words is "fifty-five billion, three hundred thirty-four million, eight hundred twenty-nine thousand, two hundred seventeen".