550343331 has 6 divisors (see below), whose sum is σ = 794940380. Its totient is φ = 366895548.

The previous prime is 550343273. The next prime is 550343347. The reversal of 550343331 is 133343055.

It is a happy number.

It is not a de Polignac number, because 550343331 - 2¹⁰ = 550342307 is a prime.

It is a super-2 number, since 2×550343331² = 605755563952351122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550343295 and 550343304.

It is not an unprimeable number, because it can be changed into a prime (550343231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30574621 + ... + 30574638.

Almost surely, 2^550343331 is an apocalyptic number.

550343331 is a deficient number, since it is larger than the sum of its proper divisors (244597049).

550343331 is a wasteful number, since it uses less digits than its factorization.

550343331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61149265 (or 61149262 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 550343331 is about 23459.3974986571. The cubic root of 550343331 is about 819.4917190122.

Adding to 550343331 its reverse (133343055), we get a palindrome (683686386).

The spelling of 550343331 in words is "five hundred fifty million, three hundred forty-three thousand, three hundred thirty-one".