51716122 has 8 divisors (see below), whose sum is σ = 80076672. Its totient is φ = 25023900.

The previous prime is 51716117. The next prime is 51716149. The reversal of 51716122 is 22161715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417004 + ... + 417127.

It is an arithmetic number, because the mean of its divisors is an integer number (10009584).

Almost surely, 2^51716122 is an apocalyptic number.

51716122 is a deficient number, since it is larger than the sum of its proper divisors (28360550).

51716122 is a wasteful number, since it uses less digits than its factorization.

51716122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834164.

The product of its digits is 840, while the sum is 25.

The square root of 51716122 is about 7191.3922156979. The cubic root of 51716122 is about 372.5706593883.

Adding to 51716122 its reverse (22161715), we get a palindrome (73877837).

The spelling of 51716122 in words is "fifty-one million, seven hundred sixteen thousand, one hundred twenty-two".