51423102244 has 12 divisors (see below), whose sum is σ = 90340588044. Its totient is φ = 25611505664.

The previous prime is 51423102223. The next prime is 51423102253. The reversal of 51423102244 is 44220132415.

It can be written as a sum of positive squares in 2 ways, for example, as 31113432100 + 20309670144 = 176390^2 + 142512^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25010209 + ... + 25012264.

It is an arithmetic number, because the mean of its divisors is an integer number (7528382337).

Almost surely, 2^51423102244 is an apocalyptic number.

It is an amenable number.

51423102244 is a deficient number, since it is larger than the sum of its proper divisors (38917485800).

51423102244 is a wasteful number, since it uses less digits than its factorization.

51423102244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50022734 (or 50022732 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 51423102244 its reverse (44220132415), we get a palindrome (95643234659).

The spelling of 51423102244 in words is "fifty-one billion, four hundred twenty-three million, one hundred two thousand, two hundred forty-four".