51065322 has 64 divisors (see below), whose sum is σ = 128646144. Its totient is φ = 13127040.

The previous prime is 51065321. The next prime is 51065327. The reversal of 51065322 is 22356015.

51065322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51065322² = 5215334221927368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51065292 and 51065301.

It is not an unprimeable number, because it can be changed into a prime (51065321) 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 31 ways as a sum of consecutive naturals, for example, 48918 + ... + 49950.

It is an arithmetic number, because the mean of its divisors is an integer number (2010096).

Almost surely, 2^51065322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51065322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64323072).

51065322 is an abundant number, since it is smaller than the sum of its proper divisors (77580822).

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

51065322 is a wasteful number, since it uses less digits than its factorization.

51065322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 51065322 is about 7146.0004198153. Note that the first 3 decimals coincide. The cubic root of 51065322 is about 371.0012375147.

The spelling of 51065322 in words is "fifty-one million, sixty-five thousand, three hundred twenty-two".