53855636 has 12 divisors (see below), whose sum is σ = 94394580. Its totient is φ = 26885760.

The previous prime is 53855623. The next prime is 53855647. The reversal of 53855636 is 63655835.

53855636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40576900 + 13278736 = 6370^2 + 3644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53855593 and 53855602.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7541 + ... + 12828.

It is an arithmetic number, because the mean of its divisors is an integer number (7866215).

Almost surely, 2^53855636 is an apocalyptic number.

It is an amenable number.

53855636 is a deficient number, since it is larger than the sum of its proper divisors (40538944).

53855636 is a wasteful number, since it uses less digits than its factorization.

53855636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21034 (or 21032 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 53855636 is about 7338.6399284881. The cubic root of 53855636 is about 377.6391861354.

The spelling of 53855636 in words is "fifty-three million, eight hundred fifty-five thousand, six hundred thirty-six".