5555049917 has 2 divisors, whose sum is σ = 5555049918. Its totient is φ = 5555049916.

The previous prime is 5555049889. The next prime is 5555049919. The reversal of 5555049917 is 7199405555.

5555049917 is digitally balanced in base 3, 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., 5343463801 + 211586116 = 73099^2 + 14546^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555049917 - 2¹⁰ = 5555048893 is a prime.

It is a super-3 number, since 3×5555049917³ (a number of 30 digits) contains 333 as substring.

Together with 5555049919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5555049919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777524958 + 2777524959.

It is an arithmetic number, because the mean of its divisors is an integer number (2777524959).

Almost surely, 2^5555049917 is an apocalyptic number.

It is an amenable number.

5555049917 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555049917 is an equidigital number, since it uses as much as digits as its factorization.

5555049917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417500, while the sum is 50.

The square root of 5555049917 is about 74532.2072462637. The cubic root of 5555049917 is about 1771.0438815597.

The spelling of 5555049917 in words is "five billion, five hundred fifty-five million, forty-nine thousand, nine hundred seventeen".