549897326 has 32 divisors (see below), whose sum is σ = 911990016. Its totient is φ = 248655000.

The previous prime is 549897311. The next prime is 549897349. The reversal of 549897326 is 623798945.

It is a happy number.

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 in 15 ways as a sum of consecutive naturals, for example, 667751 + ... + 668573.

It is an arithmetic number, because the mean of its divisors is an integer number (28499688).

Almost surely, 2^549897326 is an apocalyptic number.

549897326 is a deficient number, since it is larger than the sum of its proper divisors (362092690).

549897326 is a wasteful number, since it uses less digits than its factorization.

549897326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1087 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 53.

The square root of 549897326 is about 23449.8896799111. The cubic root of 549897326 is about 819.2702837962.

The spelling of 549897326 in words is "five hundred forty-nine million, eight hundred ninety-seven thousand, three hundred twenty-six".