549116313 has 4 divisors (see below), whose sum is σ = 732155088. Its totient is φ = 366077540.

The previous prime is 549116287. The next prime is 549116333. The reversal of 549116313 is 313611945.

549116313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 549116313 - 2¹⁸ = 548854169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (549116333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91519383 + ... + 91519388.

It is an arithmetic number, because the mean of its divisors is an integer number (183038772).

Almost surely, 2^549116313 is an apocalyptic number.

It is an amenable number.

549116313 is a deficient number, since it is larger than the sum of its proper divisors (183038775).

549116313 is a wasteful number, since it uses less digits than its factorization.

549116313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183038774.

The product of its digits is 9720, while the sum is 33.

The square root of 549116313 is about 23433.2309552055. The cubic root of 549116313 is about 818.8822332274.

The spelling of 549116313 in words is "five hundred forty-nine million, one hundred sixteen thousand, three hundred thirteen".