549929944 has 8 divisors (see below), whose sum is σ = 1031118660. Its totient is φ = 274964968.

The previous prime is 549929921. The next prime is 549929969. The reversal of 549929944 is 449929945.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 34370614 + ... + 34370629.

Almost surely, 2^549929944 is an apocalyptic number.

It is an amenable number.

549929944 is a deficient number, since it is larger than the sum of its proper divisors (481188716).

549929944 is a wasteful number, since it uses less digits than its factorization.

549929944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68741249 (or 68741245 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 55.

The square root of 549929944 is about 23450.5851526140. The cubic root of 549929944 is about 819.2864822321.

Subtracting from 549929944 its reverse (449929945), we obtain a palindrome (99999999).

The spelling of 549929944 in words is "five hundred forty-nine million, nine hundred twenty-nine thousand, nine hundred forty-four".