51936105984 has 160 divisors (see below), whose sum is σ = 161112188160. Its totient is φ = 14558748672.

The previous prime is 51936105983. The next prime is 51936105989. The reversal of 51936105984 is 48950163915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51936105983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524287 + ... + 615425.

It is an arithmetic number, because the mean of its divisors is an integer number (1006951176).

Almost surely, 2^51936105984 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 51936105984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80556094080).

51936105984 is an abundant number, since it is smaller than the sum of its proper divisors (109176082176).

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

51936105984 is an equidigital number, since it uses as much as digits as its factorization.

51936105984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91220 (or 91204 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 51936105984 in words is "fifty-one billion, nine hundred thirty-six million, one hundred five thousand, nine hundred eighty-four".