550445044 has 24 divisors (see below), whose sum is σ = 976762080. Its totient is φ = 271383264.

The previous prime is 550445017. The next prime is 550445047. The reversal of 550445044 is 440544055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 550444997 and 550445015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550445047) 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 7 ways as a sum of consecutive naturals, for example, 215527 + ... + 218065.

It is an arithmetic number, because the mean of its divisors is an integer number (40698420).

Almost surely, 2^550445044 is an apocalyptic number.

It is an amenable number.

550445044 is a deficient number, since it is larger than the sum of its proper divisors (426317036).

550445044 is a wasteful number, since it uses less digits than its factorization.

550445044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279 (or 3277 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 550445044 is about 23461.5652504261. The cubic root of 550445044 is about 819.5422013336.

Adding to 550445044 its reverse (440544055), we get a palindrome (990989099).

The spelling of 550445044 in words is "five hundred fifty million, four hundred forty-five thousand, forty-four".