51355423343422 has 32 divisors (see below), whose sum is σ = 84100078448640. Its totient is φ = 23325620340480.

The previous prime is 51355423343417. The next prime is 51355423343459. The reversal of 51355423343422 is 22434332455315.

51355423343422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223403779 + ... + 223633537.

It is an arithmetic number, because the mean of its divisors is an integer number (2628127451520).

Almost surely, 2^{51355423343422} is an apocalyptic number.

51355423343422 is a deficient number, since it is larger than the sum of its proper divisors (32744655105218).

51355423343422 is a wasteful number, since it uses less digits than its factorization.

51355423343422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237456.

The product of its digits is 5184000, while the sum is 46.

Adding to 51355423343422 its reverse (22434332455315), we get a palindrome (73789755798737).

The spelling of 51355423343422 in words is "fifty-one trillion, three hundred fifty-five billion, four hundred twenty-three million, three hundred forty-three thousand, four hundred twenty-two".