550663266 has 16 divisors (see below), whose sum is σ = 1106267904. Its totient is φ = 182730864.

The previous prime is 550663241. The next prime is 550663273. The reversal of 550663266 is 662366055.

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, 204441 + ... + 207116.

It is an arithmetic number, because the mean of its divisors is an integer number (69141744).

Almost surely, 2^550663266 is an apocalyptic number.

550663266 is an abundant number, since it is smaller than the sum of its proper divisors (555604638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550663266 is a wasteful number, since it uses less digits than its factorization.

550663266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411785.

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 550663266 is about 23466.2154170629. The cubic root of 550663266 is about 819.6504885650.

The spelling of 550663266 in words is "five hundred fifty million, six hundred sixty-three thousand, two hundred sixty-six".