51210422 has 16 divisors (see below), whose sum is σ = 78174720. Its totient is φ = 25156032.

The previous prime is 51210413. The next prime is 51210431. The reversal of 51210422 is 22401215.

51210422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51210413) and next prime (51210431).

It is a self number, because there is not a number n which added to its sum of digits gives 51210422.

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 7 ways as a sum of consecutive naturals, for example, 29963 + ... + 31625.

It is an arithmetic number, because the mean of its divisors is an integer number (4885920).

Almost surely, 2^51210422 is an apocalyptic number.

51210422 is a deficient number, since it is larger than the sum of its proper divisors (26964298).

51210422 is a wasteful number, since it uses less digits than its factorization.

51210422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 51210422 is about 7156.1457503324. The cubic root of 51210422 is about 371.3523001041.

Adding to 51210422 its reverse (22401215), we get a palindrome (73611637).

The spelling of 51210422 in words is "fifty-one million, two hundred ten thousand, four hundred twenty-two".