51516363244 has 12 divisors (see below), whose sum is σ = 90411958000. Its totient is φ = 25684375248.

The previous prime is 51516363233. The next prime is 51516363271. The reversal of 51516363244 is 44236361515.

It is a junction number, because it is equal to n+sod(n) for n = 51516363197 and 51516363206.

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 3 ways as a sum of consecutive naturals, for example, 18450024 + ... + 18452815.

Almost surely, 2^51516363244 is an apocalyptic number.

It is an amenable number.

51516363244 is a deficient number, since it is larger than the sum of its proper divisors (38895594756).

51516363244 is a wasteful number, since it uses less digits than its factorization.

51516363244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36903192 (or 36903190 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The spelling of 51516363244 in words is "fifty-one billion, five hundred sixteen million, three hundred sixty-three thousand, two hundred forty-four".