51006266 has 8 divisors (see below), whose sum is σ = 76584180. Its totient is φ = 25478208.

The previous prime is 51006217. The next prime is 51006289. The reversal of 51006266 is 66260015.

It can be written as a sum of positive squares in 2 ways, for example, as 46717225 + 4289041 = 6835^2 + 2071^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9791 + ... + 14066.

Almost surely, 2^51006266 is an apocalyptic number.

51006266 is a deficient number, since it is larger than the sum of its proper divisors (25577914).

51006266 is a wasteful number, since it uses less digits than its factorization.

51006266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24928.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 51006266 is about 7141.8671228188. The cubic root of 51006266 is about 370.8581639000.

The spelling of 51006266 in words is "fifty-one million, six thousand, two hundred sixty-six".