53503705855383 has 16 divisors (see below), whose sum is σ = 82646298414336. Its totient is φ = 30154730500800.

The previous prime is 53503705855373. The next prime is 53503705855409. The reversal of 53503705855383 is 38355850730535.

It is a happy number.

53503705855383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53503705855383 - 2¹⁷ = 53503705724311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53503705855333) 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, 17450652693 + ... + 17450655758.

It is an arithmetic number, because the mean of its divisors is an integer number (5165393650896).

Almost surely, 2^{53503705855383} is an apocalyptic number.

53503705855383 is a deficient number, since it is larger than the sum of its proper divisors (29142592558953).

53503705855383 is a wasteful number, since it uses less digits than its factorization.

53503705855383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34901308534.

The product of its (nonzero) digits is 113400000, while the sum is 60.

The spelling of 53503705855383 in words is "fifty-three trillion, five hundred three billion, seven hundred five million, eight hundred fifty-five thousand, three hundred eighty-three".