51568747296 has 192 divisors, whose sum is σ = 150793405056. Its totient is φ = 15298150400.

The previous prime is 51568747289. The next prime is 51568747313. The reversal of 51568747296 is 69274786515.

It is a happy number.

It is a super-3 number, since 3×51568747296³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 37889656 + ... + 37891016.

It is an arithmetic number, because the mean of its divisors is an integer number (785382318).

Almost surely, 2^51568747296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51568747296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75396702528).

51568747296 is an abundant number, since it is smaller than the sum of its proper divisors (99224657760).

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

51568747296 is a wasteful number, since it uses less digits than its factorization.

51568747296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115 (or 2107 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 60.

The spelling of 51568747296 in words is "fifty-one billion, five hundred sixty-eight million, seven hundred forty-seven thousand, two hundred ninety-six".