550190189 has 4 divisors (see below), whose sum is σ = 552492480. Its totient is φ = 547887900.

The previous prime is 550190177. The next prime is 550190213. The reversal of 550190189 is 981091055.

550190189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550190189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550190129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150787 + ... + 1151264.

It is an arithmetic number, because the mean of its divisors is an integer number (138123120).

Almost surely, 2^550190189 is an apocalyptic number.

It is an amenable number.

550190189 is a deficient number, since it is larger than the sum of its proper divisors (2302291).

550190189 is a wasteful number, since it uses less digits than its factorization.

550190189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302290.

The product of its (nonzero) digits is 16200, while the sum is 38.

The square root of 550190189 is about 23456.1332917427. The cubic root of 550190189 is about 819.4156996523.

The spelling of 550190189 in words is "five hundred fifty million, one hundred ninety thousand, one hundred eighty-nine".