51233966 has 12 divisors (see below), whose sum is σ = 87875592. Its totient is φ = 21945936.

The previous prime is 51233957. The next prime is 51233977. The reversal of 51233966 is 66933215.

51233966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 25826 + ... + 27738.

It is an arithmetic number, because the mean of its divisors is an integer number (7322966).

Almost surely, 2^51233966 is an apocalyptic number.

51233966 is a deficient number, since it is larger than the sum of its proper divisors (36641626).

51233966 is an frugal number, since it uses more digits than its factorization.

51233966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835 (or 1922 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The square root of 51233966 is about 7157.7905808985. The cubic root of 51233966 is about 371.4092011454.

The spelling of 51233966 in words is "fifty-one million, two hundred thirty-three thousand, nine hundred sixty-six".