53855205505385 has 16 divisors (see below), whose sum is σ = 64989851921280. Its totient is φ = 42842440819200.

The previous prime is 53855205505379. The next prime is 53855205505397. The reversal of 53855205505385 is 58350550255835.

53855205505385 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 53855205505385 - 2⁴ = 53855205505369 is a prime.

It is an unprimeable number.

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, 41863391 + ... + 43130660.

It is an arithmetic number, because the mean of its divisors is an integer number (4061865745080).

Almost surely, 2^{53855205505385} is an apocalyptic number.

It is an amenable number.

53855205505385 is a deficient number, since it is larger than the sum of its proper divisors (11134646415895).

53855205505385 is a wasteful number, since it uses less digits than its factorization.

53855205505385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84994768.

The product of its (nonzero) digits is 90000000, while the sum is 59.

The spelling of 53855205505385 in words is "fifty-three trillion, eight hundred fifty-five billion, two hundred five million, five hundred five thousand, three hundred eighty-five".