51304107792 has 240 divisors, whose sum is σ = 156348118080. Its totient is φ = 14453074944.

The previous prime is 51304107769. The next prime is 51304107793. The reversal of 51304107792 is 29770140315.

It is a super-2 number, since 2×51304107792² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51304107792.

It is not an unprimeable number, because it can be changed into a prime (51304107793) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75115483 + ... + 75116165.

It is an arithmetic number, because the mean of its divisors is an integer number (651450492).

Almost surely, 2^51304107792 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 51304107792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78174059040).

51304107792 is an abundant number, since it is smaller than the sum of its proper divisors (105044010288).

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

51304107792 is a wasteful number, since it uses less digits than its factorization.

51304107792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 51304107792 in words is "fifty-one billion, three hundred four million, one hundred seven thousand, seven hundred ninety-two".