51322305 has 16 divisors (see below), whose sum is σ = 82670400. Its totient is φ = 27187008.

The previous prime is 51322259. The next prime is 51322309. The reversal of 51322305 is 50322315.

51322305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51322305 - 2⁸ = 51322049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51322309) 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 15 ways as a sum of consecutive naturals, for example, 9247 + ... + 13716.

It is an arithmetic number, because the mean of its divisors is an integer number (5166900).

Almost surely, 2^51322305 is an apocalyptic number.

It is an amenable number.

51322305 is a deficient number, since it is larger than the sum of its proper divisors (31348095).

51322305 is a wasteful number, since it uses less digits than its factorization.

51322305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23120.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 51322305 is about 7163.9587519751. The cubic root of 51322305 is about 371.6225431967.

The spelling of 51322305 in words is "fifty-one million, three hundred twenty-two thousand, three hundred five".