53319744155820 has 48 divisors (see below), whose sum is σ = 149725529468928. Its totient is φ = 14177622648000.

The previous prime is 53319744155819. The next prime is 53319744155827. The reversal of 53319744155820 is 2855144791335.

53319744155820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53319744155827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280472556 + ... + 1280514195.

It is an arithmetic number, because the mean of its divisors is an integer number (3119281863936).

Almost surely, 2^{53319744155820} is an apocalyptic number.

It is an amenable number.

53319744155820 is an abundant number, since it is smaller than the sum of its proper divisors (96405785313108).

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

53319744155820 is a wasteful number, since it uses less digits than its factorization.

53319744155820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560987110 (or 2560987108 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 53319744155820 in words is "fifty-three trillion, three hundred nineteen billion, seven hundred forty-four million, one hundred fifty-five thousand, eight hundred twenty".