53818789853920 has 1152 divisors, whose sum is σ = 165163844966400. Its totient is φ = 16418442313728.

The previous prime is 53818789853839. The next prime is 53818789853921. The reversal of 53818789853920 is 2935898781835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53818789853921) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 91684479867 + ... + 91684480453.

It is an arithmetic number, because the mean of its divisors is an integer number (143371393200).

Almost surely, 2^{53818789853920} 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 53818789853920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82581922483200).

53818789853920 is an abundant number, since it is smaller than the sum of its proper divisors (111345055112480).

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

53818789853920 is a wasteful number, since it uses less digits than its factorization.

53818789853920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 1045094400, while the sum is 76.

The spelling of 53818789853920 in words is "fifty-three trillion, eight hundred eighteen billion, seven hundred eighty-nine million, eight hundred fifty-three thousand, nine hundred twenty".