551699216 has 10 divisors (see below), whose sum is σ = 1068917262. Its totient is φ = 275849600.

The previous prime is 551699191. The next prime is 551699221. The reversal of 551699216 is 612996155.

It can be written as a sum of positive squares in only one way, i.e., 547372816 + 4326400 = 23396^2 + 2080^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17240585 + ... + 17240616.

Almost surely, 2^551699216 is an apocalyptic number.

It is an amenable number.

551699216 is a deficient number, since it is larger than the sum of its proper divisors (517218046).

551699216 is a wasteful number, since it uses less digits than its factorization.

551699216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34481209 (or 34481203 counting only the distinct ones).

The product of its digits is 145800, while the sum is 44.

The square root of 551699216 is about 23488.2782681064. The cubic root of 551699216 is about 820.1641630477.

The spelling of 551699216 in words is "five hundred fifty-one million, six hundred ninety-nine thousand, two hundred sixteen".