51848085218700 has 144 divisors (see below), whose sum is σ = 152432018726400. Its totient is φ = 13605012622080.

The previous prime is 51848085218653. The next prime is 51848085218701. The reversal of 51848085218700 is 781258084815.

It is not an unprimeable number, because it can be changed into a prime (51848085218701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 637252 + ... + 10203051.

It is an arithmetic number, because the mean of its divisors is an integer number (1058555685600).

Almost surely, 2^{51848085218700} is an apocalyptic number.

51848085218700 is a gapful number since it is divisible by the number (50) 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 51848085218700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76216009363200).

51848085218700 is an abundant number, since it is smaller than the sum of its proper divisors (100583933507700).

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

51848085218700 is a wasteful number, since it uses less digits than its factorization.

51848085218700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840576 (or 10840569 counting only the distinct ones).

The product of its (nonzero) digits is 5734400, while the sum is 57.

The spelling of 51848085218700 in words is "fifty-one trillion, eight hundred forty-eight billion, eighty-five million, two hundred eighteen thousand, seven hundred".