51232266 has 24 divisors (see below), whose sum is σ = 111855744. Its totient is φ = 16946280.

The previous prime is 51232261. The next prime is 51232267. The reversal of 51232266 is 66223215.

51232266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51232261) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8506 + ... + 13221.

It is an arithmetic number, because the mean of its divisors is an integer number (4660656).

Almost surely, 2^51232266 is an apocalyptic number.

51232266 is an abundant number, since it is smaller than the sum of its proper divisors (60623478).

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

51232266 is a wasteful number, since it uses less digits than its factorization.

51232266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21866 (or 21863 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 51232266 is about 7157.6718281855. The cubic root of 51232266 is about 371.4050931764.

The spelling of 51232266 in words is "fifty-one million, two hundred thirty-two thousand, two hundred sixty-six".