51787108296 has 768 divisors, whose sum is σ = 196547420160. Its totient is φ = 12361973760.

The previous prime is 51787108259. The next prime is 51787108309. The reversal of 51787108296 is 69280178715.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 119600496 + ... + 119600928.

It is an arithmetic number, because the mean of its divisors is an integer number (255921120).

Almost surely, 2^51787108296 is an apocalyptic number.

51787108296 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51787108296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98273710080).

51787108296 is an abundant number, since it is smaller than the sum of its proper divisors (144760311864).

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

51787108296 is a wasteful number, since it uses less digits than its factorization.

51787108296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 54.

The spelling of 51787108296 in words is "fifty-one billion, seven hundred eighty-seven million, one hundred eight thousand, two hundred ninety-six".