550090111 has 2 divisors, whose sum is σ = 550090112. Its totient is φ = 550090110.

The previous prime is 550090087. The next prime is 550090139. The reversal of 550090111 is 111090055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550090111 - 2⁷ = 550089983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550090141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275045055 + 275045056.

It is an arithmetic number, because the mean of its divisors is an integer number (275045056).

Almost surely, 2^550090111 is an apocalyptic number.

550090111 is a deficient number, since it is larger than the sum of its proper divisors (1).

550090111 is an equidigital number, since it uses as much as digits as its factorization.

550090111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 22.

The square root of 550090111 is about 23453.9998934084. Note that the first 3 decimals coincide. The cubic root of 550090111 is about 819.3660135263.

The spelling of 550090111 in words is "five hundred fifty million, ninety thousand, one hundred eleven".