549045044 has 12 divisors (see below), whose sum is σ = 961497600. Its totient is φ = 274331448.

The previous prime is 549045037. The next prime is 549045047. The reversal of 549045044 is 440540945.

It is a junction number, because it is equal to n+sod(n) for n = 549044995 and 549045013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549045047) 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 3 ways as a sum of consecutive naturals, for example, 41204 + ... + 52875.

It is an arithmetic number, because the mean of its divisors is an integer number (80124800).

Almost surely, 2^549045044 is an apocalyptic number.

It is an amenable number.

549045044 is a deficient number, since it is larger than the sum of its proper divisors (412452556).

549045044 is a wasteful number, since it uses less digits than its factorization.

549045044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95542 (or 95540 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 549045044 is about 23431.7102235411. The cubic root of 549045044 is about 818.8468045203.

Adding to 549045044 its reverse (440540945), we get a palindrome (989585989).

The spelling of 549045044 in words is "five hundred forty-nine million, forty-five thousand, forty-four".