51322066 has 16 divisors (see below), whose sum is σ = 79152768. Its totient is φ = 24948000.

The previous prime is 51322057. The next prime is 51322069. The reversal of 51322066 is 66022315.

51322066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51322066.

It is not an unprimeable number, because it can be changed into a prime (51322069) 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 7 ways as a sum of consecutive naturals, for example, 7891 + ... + 12841.

It is an arithmetic number, because the mean of its divisors is an integer number (4947048).

Almost surely, 2^51322066 is an apocalyptic number.

51322066 is a deficient number, since it is larger than the sum of its proper divisors (27830702).

51322066 is a wasteful number, since it uses less digits than its factorization.

51322066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 51322066 is about 7163.9420712342. The cubic root of 51322066 is about 371.6219663330.

The spelling of 51322066 in words is "fifty-one million, three hundred twenty-two thousand, sixty-six".