549457828 has 24 divisors (see below), whose sum is σ = 968181984. Its totient is φ = 272841600.

The previous prime is 549457771. The next prime is 549457873. The reversal of 549457828 is 828754945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565383 + ... + 566353.

It is an arithmetic number, because the mean of its divisors is an integer number (40340916).

Almost surely, 2^549457828 is an apocalyptic number.

It is an amenable number.

549457828 is a deficient number, since it is larger than the sum of its proper divisors (418724156).

549457828 is a wasteful number, since it uses less digits than its factorization.

549457828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803 (or 1801 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 52.

The square root of 549457828 is about 23440.5168031765. The cubic root of 549457828 is about 819.0519620579.

The spelling of 549457828 in words is "five hundred forty-nine million, four hundred fifty-seven thousand, eight hundred twenty-eight".