5516821228 has 24 divisors (see below), whose sum is σ = 10176420800. Its totient is φ = 2609668368.

The previous prime is 5516821207. The next prime is 5516821237. The reversal of 5516821228 is 8221286155.

It is a super-3 number, since 3×5516821228³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 7 ways as a sum of consecutive naturals, for example, 7051 + ... + 105277.

Almost surely, 2^5516821228 is an apocalyptic number.

It is an amenable number.

5516821228 is a deficient number, since it is larger than the sum of its proper divisors (4659599572).

5516821228 is a wasteful number, since it uses less digits than its factorization.

5516821228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98989 (or 98987 counting only the distinct ones).

The product of its digits is 76800, while the sum is 40.

The square root of 5516821228 is about 74275.3069869119. The cubic root of 5516821228 is about 1766.9718754208.

The spelling of 5516821228 in words is "five billion, five hundred sixteen million, eight hundred twenty-one thousand, two hundred twenty-eight".