549380113 has 4 divisors (see below), whose sum is σ = 550764340. Its totient is φ = 547995888.

The previous prime is 549380099. The next prime is 549380119. The reversal of 549380113 is 311083945.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 380562064 + 168818049 = 19508^2 + 12993^2 .

It is a cyclic number.

It is not a de Polignac number, because 549380113 - 2⁵ = 549380081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549380119) 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, 691518 + ... + 692311.

It is an arithmetic number, because the mean of its divisors is an integer number (137691085).

Almost surely, 2^549380113 is an apocalyptic number.

It is an amenable number.

549380113 is a deficient number, since it is larger than the sum of its proper divisors (1384227).

549380113 is a wasteful number, since it uses less digits than its factorization.

549380113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384226.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 549380113 is about 23438.8590379310. The cubic root of 549380113 is about 819.0133448240.

The spelling of 549380113 in words is "five hundred forty-nine million, three hundred eighty thousand, one hundred thirteen".