549613028 has 12 divisors (see below), whose sum is σ = 962110380. Its totient is φ = 274724352.

The previous prime is 549613007. The next prime is 549613039. The reversal of 549613028 is 820316945.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19784704 + 529828324 = 4448^2 + 23018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 549612982 and 549613000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4013 + ... + 33396.

It is an arithmetic number, because the mean of its divisors is an integer number (80175865).

Almost surely, 2^549613028 is an apocalyptic number.

It is an amenable number.

549613028 is a deficient number, since it is larger than the sum of its proper divisors (412497352).

549613028 is a wasteful number, since it uses less digits than its factorization.

549613028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41086 (or 41084 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 549613028 is about 23443.8270766528. The cubic root of 549613028 is about 819.1290713412.

The spelling of 549613028 in words is "five hundred forty-nine million, six hundred thirteen thousand, twenty-eight".