549413217 has 12 divisors (see below), whose sum is σ = 819197184. Its totient is φ = 354459960.

The previous prime is 549413209. The next prime is 549413231. The reversal of 549413217 is 712314945.

It is not a de Polignac number, because 549413217 - 2³ = 549413209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (549413237) 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, 984333 + ... + 984890.

It is an arithmetic number, because the mean of its divisors is an integer number (68266432).

Almost surely, 2^549413217 is an apocalyptic number.

It is an amenable number.

549413217 is a deficient number, since it is larger than the sum of its proper divisors (269783967).

549413217 is a wasteful number, since it uses less digits than its factorization.

549413217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969260 (or 1969257 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 549413217 is about 23439.5652050118. The cubic root of 549413217 is about 819.0297949239.

The spelling of 549413217 in words is "five hundred forty-nine million, four hundred thirteen thousand, two hundred seventeen".