51551932096 has 168 divisors, whose sum is σ = 128763613440. Its totient is φ = 20019377664.

The previous prime is 51551932067. The next prime is 51551932111. The reversal of 51551932096 is 69023915515.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3712815 + ... + 3726673.

It is an arithmetic number, because the mean of its divisors is an integer number (766450080).

Almost surely, 2^51551932096 is an apocalyptic number.

51551932096 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 51551932096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64381806720).

51551932096 is an abundant number, since it is smaller than the sum of its proper divisors (77211681344).

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

51551932096 is a wasteful number, since it uses less digits than its factorization.

51551932096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13939 (or 13910 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 46.

The spelling of 51551932096 in words is "fifty-one billion, five hundred fifty-one million, nine hundred thirty-two thousand, ninety-six".