549923328 has 120 divisors (see below), whose sum is σ = 1600986816. Its totient is φ = 181708800.

The previous prime is 549923323. The next prime is 549923347. The reversal of 549923328 is 823329945.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (549923323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603193 + ... + 604103.

Almost surely, 2^549923328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549923328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800493408).

549923328 is an abundant number, since it is smaller than the sum of its proper divisors (1051063488).

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

549923328 is a wasteful number, since it uses less digits than its factorization.

549923328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1047 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 549923328 is about 23450.4440896116. Note that the first 3 decimals coincide. The cubic root of 549923328 is about 819.2831967099.

The spelling of 549923328 in words is "five hundred forty-nine million, nine hundred twenty-three thousand, three hundred twenty-eight".