51910579512 has 144 divisors (see below), whose sum is σ = 159264775800. Its totient is φ = 15730303680.

The previous prime is 51910579489. The next prime is 51910579547. The reversal of 51910579512 is 21597501915.

It is a happy number.

51910579512 is a `hidden beast` number, since 5 + 19 + 10 + 579 + 51 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 532414 + ... + 622322.

Almost surely, 2^51910579512 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 51910579512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79632387900).

51910579512 is an abundant number, since it is smaller than the sum of its proper divisors (107354196288).

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

51910579512 is an equidigital number, since it uses as much as digits as its factorization.

51910579512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89950 (or 89925 counting only the distinct ones).

The product of its (nonzero) digits is 141750, while the sum is 45.

The spelling of 51910579512 in words is "fifty-one billion, nine hundred ten million, five hundred seventy-nine thousand, five hundred twelve".