550343056 has 60 divisors (see below), whose sum is σ = 1134611904. Its totient is φ = 258552000.

The previous prime is 550343047. The next prime is 550343089. The reversal of 550343056 is 650343055.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 871861 + ... + 872491.

Almost surely, 2^550343056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550343056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567305952).

550343056 is an abundant number, since it is smaller than the sum of its proper divisors (584268848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550343056 is a wasteful number, since it uses less digits than its factorization.

550343056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 550343056 is about 23459.3916374658. The cubic root of 550343056 is about 819.4915825154.

Subtracting 550343056 from its reverse (650343055), we obtain a palindrome (99999999).

The spelling of 550343056 in words is "five hundred fifty million, three hundred forty-three thousand, fifty-six".