550364189 has 2 divisors, whose sum is σ = 550364190. Its totient is φ = 550364188.

The previous prime is 550364183. The next prime is 550364281. The reversal of 550364189 is 981463055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329604025 + 220760164 = 18155^2 + 14858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550364189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550364183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275182094 + 275182095.

It is an arithmetic number, because the mean of its divisors is an integer number (275182095).

Almost surely, 2^550364189 is an apocalyptic number.

It is an amenable number.

550364189 is a deficient number, since it is larger than the sum of its proper divisors (1).

550364189 is an equidigital number, since it uses as much as digits as its factorization.

550364189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 550364189 is about 23459.8420497667. The cubic root of 550364189 is about 819.5020717874.

The spelling of 550364189 in words is "five hundred fifty million, three hundred sixty-four thousand, one hundred eighty-nine".