51593207912 has 8 divisors (see below), whose sum is σ = 96737264850. Its totient is φ = 25796603952.

The previous prime is 51593207881. The next prime is 51593207917. The reversal of 51593207912 is 21970239515.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33082516996 + 18510690916 = 181886^2 + 136054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (51593207917) by changing a digit.

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 as a sum of consecutive naturals, namely, 3224575487 + ... + 3224575502.

Almost surely, 2^51593207912 is an apocalyptic number.

It is an amenable number.

51593207912 is a deficient number, since it is larger than the sum of its proper divisors (45144056938).

51593207912 is a wasteful number, since it uses less digits than its factorization.

51593207912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6449150995 (or 6449150991 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 44.

The spelling of 51593207912 in words is "fifty-one billion, five hundred ninety-three million, two hundred seven thousand, nine hundred twelve".