550111349 has 2 divisors, whose sum is σ = 550111350. Its totient is φ = 550111348.

The previous prime is 550111343. The next prime is 550111363. The reversal of 550111349 is 943111055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549902500 + 208849 = 23450^2 + 457^2 .

It is a cyclic number.

It is not a de Polignac number, because 550111349 - 2⁴ = 550111333 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550111343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275055674 + 275055675.

It is an arithmetic number, because the mean of its divisors is an integer number (275055675).

Almost surely, 2^550111349 is an apocalyptic number.

It is an amenable number.

550111349 is a deficient number, since it is larger than the sum of its proper divisors (1).

550111349 is an equidigital number, since it uses as much as digits as its factorization.

550111349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 550111349 is about 23454.4526476317. The cubic root of 550111349 is about 819.3765581450.

The spelling of 550111349 in words is "five hundred fifty million, one hundred eleven thousand, three hundred forty-nine".