550230509 has 4 divisors (see below), whose sum is σ = 550295040. Its totient is φ = 550165980.

The previous prime is 550230493. The next prime is 550230511. The reversal of 550230509 is 905032055.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 550230509 - 2⁴ = 550230493 is a prime.

It is a super-2 number, since 2×550230509² = 605507226068798162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550230529) 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 in 3 ways as a sum of consecutive naturals, for example, 17099 + ... + 37320.

It is an arithmetic number, because the mean of its divisors is an integer number (137573760).

Almost surely, 2^550230509 is an apocalyptic number.

It is an amenable number.

550230509 is a deficient number, since it is larger than the sum of its proper divisors (64531).

550230509 is a wasteful number, since it uses less digits than its factorization.

550230509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64530.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 550230509 is about 23456.9927526953. The cubic root of 550230509 is about 819.4357157816.

The spelling of 550230509 in words is "five hundred fifty million, two hundred thirty thousand, five hundred nine".