549309996 has 36 divisors (see below), whose sum is σ = 1436416800. Its totient is φ = 176789088.

The previous prime is 549309991. The next prime is 549309997. The reversal of 549309996 is 699903945.

549309996 is a `hidden beast` number, since 549 + 3 + 0 + 9 + 9 + 96 = 666.

549309996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (549309991) 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, 262036 + ... + 264123.

Almost surely, 2^549309996 is an apocalyptic number.

It is an amenable number.

549309996 is an abundant number, since it is smaller than the sum of its proper divisors (887106804).

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

549309996 is a wasteful number, since it uses less digits than its factorization.

549309996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526198 (or 526193 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 54.

The square root of 549309996 is about 23437.3632476010. The cubic root of 549309996 is about 818.9784999745.

The spelling of 549309996 in words is "five hundred forty-nine million, three hundred nine thousand, nine hundred ninety-six".