549428276 has 6 divisors (see below), whose sum is σ = 961499490. Its totient is φ = 274714136.

The previous prime is 549428267. The next prime is 549428291. The reversal of 549428276 is 672824945.

549428276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 377136400 + 172291876 = 19420^2 + 13126^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 549428276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68678531 + ... + 68678538.

It is an arithmetic number, because the mean of its divisors is an integer number (160249915).

Almost surely, 2^549428276 is an apocalyptic number.

It is an amenable number.

549428276 is a deficient number, since it is larger than the sum of its proper divisors (412071214).

549428276 is a wasteful number, since it uses less digits than its factorization.

549428276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137357073 (or 137357071 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 549428276 is about 23439.8864331720. The cubic root of 549428276 is about 819.0372778509.

The spelling of 549428276 in words is "five hundred forty-nine million, four hundred twenty-eight thousand, two hundred seventy-six".