53718928705680 has 640 divisors, whose sum is σ = 205261382430720. Its totient is φ = 11361004462080.

The previous prime is 53718928705649. The next prime is 53718928705691. The reversal of 53718928705680 is 8650782981735.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 110790975 + ... + 111274785.

It is an arithmetic number, because the mean of its divisors is an integer number (320720910048).

Almost surely, 2^{53718928705680} 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 53718928705680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102630691215360).

53718928705680 is an abundant number, since it is smaller than the sum of its proper divisors (151542453725040).

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

53718928705680 is a wasteful number, since it uses less digits than its factorization.

53718928705680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483959 (or 483953 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 69.

The spelling of 53718928705680 in words is "fifty-three trillion, seven hundred eighteen billion, nine hundred twenty-eight million, seven hundred five thousand, six hundred eighty".