550230169 has 2 divisors, whose sum is σ = 550230170. Its totient is φ = 550230168.

The previous prime is 550230119. The next prime is 550230179. The reversal of 550230169 is 961032055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500103769 + 50126400 = 22363^2 + 7080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550230169 is a prime.

It is a super-2 number, since 2×550230169² = 605506477755537122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550230169.

It is not a weakly prime, because it can be changed into another prime (550230119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275115084 + 275115085.

It is an arithmetic number, because the mean of its divisors is an integer number (275115085).

Almost surely, 2^550230169 is an apocalyptic number.

It is an amenable number.

550230169 is a deficient number, since it is larger than the sum of its proper divisors (1).

550230169 is an equidigital number, since it uses as much as digits as its factorization.

550230169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 550230169 is about 23456.9855053884. The cubic root of 550230169 is about 819.4355469989.

The spelling of 550230169 in words is "five hundred fifty million, two hundred thirty thousand, one hundred sixty-nine".