549333213 has 64 divisors (see below), whose sum is σ = 892480512. Its totient is φ = 296110080.

The previous prime is 549333209. The next prime is 549333221. The reversal of 549333213 is 312333945.

549333213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 549333213 - 2² = 549333209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549333233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1789206 + ... + 1789512.

It is an arithmetic number, because the mean of its divisors is an integer number (13945008).

Almost surely, 2^549333213 is an apocalyptic number.

It is an amenable number.

549333213 is a deficient number, since it is larger than the sum of its proper divisors (343147299).

549333213 is a wasteful number, since it uses less digits than its factorization.

549333213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its digits is 29160, while the sum is 33.

The square root of 549333213 is about 23437.8585412576. The cubic root of 549333213 is about 818.9900380593.

The spelling of 549333213 in words is "five hundred forty-nine million, three hundred thirty-three thousand, two hundred thirteen".