550010066 has 8 divisors (see below), whose sum is σ = 825142140. Its totient is φ = 274962688.

The previous prime is 550010057. The next prime is 550010089. The reversal of 550010066 is 660010055.

It can be written as a sum of positive squares in 2 ways, for example, as 548918041 + 1092025 = 23429^2 + 1045^2 .

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

It is a super-2 number, since 2×550010066² = 605022145402648712, which contains 22 as substring.

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, 1151 + ... + 33186.

Almost surely, 2^550010066 is an apocalyptic number.

550010066 is a deficient number, since it is larger than the sum of its proper divisors (275132074).

550010066 is a wasteful number, since it uses less digits than its factorization.

550010066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42348.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 550010066 is about 23452.2934059763. The cubic root of 550010066 is about 819.3262689265.

The spelling of 550010066 in words is "five hundred fifty million, ten thousand, sixty-six".