551839228 has 12 divisors (see below), whose sum is σ = 968638552. Its totient is φ = 275085360.

The previous prime is 551839219. The next prime is 551839259. The reversal of 551839228 is 822938155.

551839228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207075 + ... + 209722.

Almost surely, 2^551839228 is an apocalyptic number.

It is an amenable number.

551839228 is a deficient number, since it is larger than the sum of its proper divisors (416799324).

551839228 is a wasteful number, since it uses less digits than its factorization.

551839228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417132 (or 417130 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 551839228 is about 23491.2585444033. The cubic root of 551839228 is about 820.2335384782.

The spelling of 551839228 in words is "five hundred fifty-one million, eight hundred thirty-nine thousand, two hundred twenty-eight".