550250189 has 2 divisors, whose sum is σ = 550250190. Its totient is φ = 550250188.

The previous prime is 550250179. The next prime is 550250209. The reversal of 550250189 is 981052055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430894564 + 119355625 = 20758^2 + 10925^2 .

It is a cyclic number.

It is not a de Polignac number, because 550250189 - 2⁸ = 550249933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550250149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275125094 + 275125095.

It is an arithmetic number, because the mean of its divisors is an integer number (275125095).

Almost surely, 2^550250189 is an apocalyptic number.

It is an amenable number.

550250189 is a deficient number, since it is larger than the sum of its proper divisors (1).

550250189 is an equidigital number, since it uses as much as digits as its factorization.

550250189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 550250189 is about 23457.4122400575. The cubic root of 550250189 is about 819.4454852039.

The spelling of 550250189 in words is "five hundred fifty million, two hundred fifty thousand, one hundred eighty-nine".