550326369 has 4 divisors (see below), whose sum is σ = 733768496. Its totient is φ = 366884244.

The previous prime is 550326367. The next prime is 550326373. The reversal of 550326369 is 963623055.

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 not a de Polignac number, because 550326369 - 2¹ = 550326367 is a prime.

It is a super-2 number, since 2×550326369² = 605718224833448322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550326367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91721059 + ... + 91721064.

It is an arithmetic number, because the mean of its divisors is an integer number (183442124).

Almost surely, 2^550326369 is an apocalyptic number.

It is an amenable number.

550326369 is a deficient number, since it is larger than the sum of its proper divisors (183442127).

550326369 is a wasteful number, since it uses less digits than its factorization.

550326369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183442126.

The product of its (nonzero) digits is 145800, while the sum is 39.

The square root of 550326369 is about 23459.0359776356. The cubic root of 550326369 is about 819.4832998064.

The spelling of 550326369 in words is "five hundred fifty million, three hundred twenty-six thousand, three hundred sixty-nine".