51607122 has 16 divisors (see below), whose sum is σ = 117959232. Its totient is φ = 14744880.

The previous prime is 51607117. The next prime is 51607133. The reversal of 51607122 is 22170615.

51607122 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 2×51607122² = 5326590082245768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51607092 and 51607101.

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, 614329 + ... + 614412.

It is an arithmetic number, because the mean of its divisors is an integer number (7372452).

Almost surely, 2^51607122 is an apocalyptic number.

51607122 is an abundant number, since it is smaller than the sum of its proper divisors (66352110).

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

51607122 is a wasteful number, since it uses less digits than its factorization.

51607122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228753.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 51607122 is about 7183.8097135155. The cubic root of 51607122 is about 372.3087245242.

Adding to 51607122 its reverse (22170615), we get a palindrome (73777737).

The spelling of 51607122 in words is "fifty-one million, six hundred seven thousand, one hundred twenty-two".