51960504672 has 240 divisors, whose sum is σ = 160344987264. Its totient is φ = 16485120000.

The previous prime is 51960504649. The next prime is 51960504677. The reversal of 51960504672 is 27640506915.

51960504672 is a `hidden beast` number, since 5 + 19 + 60 + 504 + 6 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51960504677) 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 in 39 ways as a sum of consecutive naturals, for example, 4896172 + ... + 4906772.

Almost surely, 2^51960504672 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 51960504672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80172493632).

51960504672 is an abundant number, since it is smaller than the sum of its proper divisors (108384482592).

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

51960504672 is a wasteful number, since it uses less digits than its factorization.

51960504672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10715 (or 10698 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 51960504672 in words is "fifty-one billion, nine hundred sixty million, five hundred four thousand, six hundred seventy-two".