550869566 has 16 divisors (see below), whose sum is σ = 918572928. Its totient is φ = 246045600.

The previous prime is 550869533. The next prime is 550869577. The reversal of 550869566 is 665968055.

550869566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 340925 + ... + 342536.

It is an arithmetic number, because the mean of its divisors is an integer number (57410808).

Almost surely, 2^550869566 is an apocalyptic number.

550869566 is a deficient number, since it is larger than the sum of its proper divisors (367703362).

550869566 is a wasteful number, since it uses less digits than its factorization.

550869566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683507.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The square root of 550869566 is about 23470.6106865586. The cubic root of 550869566 is about 819.7528334972.

The spelling of 550869566 in words is "five hundred fifty million, eight hundred sixty-nine thousand, five hundred sixty-six".