53855385 has 32 divisors (see below), whose sum is σ = 88231680. Its totient is φ = 28044288.

The previous prime is 53855383. The next prime is 53855423. The reversal of 53855385 is 58355835.

53855385 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 53855385 - 2¹ = 53855383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53855383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149836 + ... + 150194.

It is an arithmetic number, because the mean of its divisors is an integer number (2757240).

Almost surely, 2^53855385 is an apocalyptic number.

It is an amenable number.

53855385 is a deficient number, since it is larger than the sum of its proper divisors (34376295).

53855385 is a wasteful number, since it uses less digits than its factorization.

53855385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577.

The product of its digits is 360000, while the sum is 42.

The square root of 53855385 is about 7338.6228272068. The cubic root of 53855385 is about 377.6385994585.

The spelling of 53855385 in words is "fifty-three million, eight hundred fifty-five thousand, three hundred eighty-five".