550263986 has 8 divisors (see below), whose sum is σ = 826243740. Its totient is φ = 274849408.

The previous prime is 550263941. The next prime is 550264081. The reversal of 550263986 is 689362055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 461433361 + 88830625 = 21481^2 + 9425^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 138851 + ... + 142758.

Almost surely, 2^550263986 is an apocalyptic number.

550263986 is a deficient number, since it is larger than the sum of its proper divisors (275979754).

550263986 is a wasteful number, since it uses less digits than its factorization.

550263986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282588.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 550263986 is about 23457.7063243617. The cubic root of 550263986 is about 819.4523340853.

The spelling of 550263986 in words is "five hundred fifty million, two hundred sixty-three thousand, nine hundred eighty-six".