550340844 has 24 divisors (see below), whose sum is σ = 1284636528. Its totient is φ = 183374400.

The previous prime is 550340839. The next prime is 550340863. The reversal of 550340844 is 448043055.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28894 + ... + 43994.

It is an arithmetic number, because the mean of its divisors is an integer number (53526522).

Almost surely, 2^550340844 is an apocalyptic number.

It is an amenable number.

550340844 is an abundant number, since it is smaller than the sum of its proper divisors (734295684).

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

550340844 is a wasteful number, since it uses less digits than its factorization.

550340844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18145 (or 18143 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 550340844 is about 23459.3444921208. The cubic root of 550340844 is about 819.4904845834.

Adding to 550340844 its reverse (448043055), we get a palindrome (998383899).

The spelling of 550340844 in words is "five hundred fifty million, three hundred forty thousand, eight hundred forty-four".