51144423522 has 8 divisors (see below), whose sum is σ = 102288847056. Its totient is φ = 17048141172.

The previous prime is 51144423487. The next prime is 51144423559. The reversal of 51144423522 is 22532444115.

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

51144423522 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4262035288 + ... + 4262035299.

It is an arithmetic number, because the mean of its divisors is an integer number (12786105882).

Almost surely, 2^51144423522 is an apocalyptic number.

51144423522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51144423522 is a wasteful number, since it uses less digits than its factorization.

51144423522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8524070592.

The product of its digits is 38400, while the sum is 33.

Adding to 51144423522 its reverse (22532444115), we get a palindrome (73676867637).

The spelling of 51144423522 in words is "fifty-one billion, one hundred forty-four million, four hundred twenty-three thousand, five hundred twenty-two".