549767944 has 32 divisors (see below), whose sum is σ = 1128723840. Its totient is φ = 248961600.

The previous prime is 549767923. The next prime is 549767951. The reversal of 549767944 is 449767945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12322 + ... + 35374.

It is an arithmetic number, because the mean of its divisors is an integer number (35272620).

Almost surely, 2^549767944 is an apocalyptic number.

It is an amenable number.

549767944 is an abundant number, since it is smaller than the sum of its proper divisors (578955896).

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

549767944 is a wasteful number, since it uses less digits than its factorization.

549767944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23341 (or 23337 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 55.

The square root of 549767944 is about 23447.1308266065. The cubic root of 549767944 is about 819.2060250475.

Subtracting from 549767944 its reverse (449767945), we obtain a palindrome (99999999).

It can be divided in two parts, 5497 and 67944, that added together give a square (73441 = 271²).

The spelling of 549767944 in words is "five hundred forty-nine million, seven hundred sixty-seven thousand, nine hundred forty-four".