53855388 has 48 divisors (see below), whose sum is σ = 147843360. Its totient is φ = 16895232.

The previous prime is 53855383. The next prime is 53855423. The reversal of 53855388 is 88355835.

53855388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 12831 + ... + 16502.

It is an arithmetic number, because the mean of its divisors is an integer number (3080070).

Almost surely, 2^53855388 is an apocalyptic number.

It is an amenable number.

53855388 is an abundant number, since it is smaller than the sum of its proper divisors (93987972).

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

53855388 is a wasteful number, since it uses less digits than its factorization.

53855388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29363 (or 29355 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 53855388 is about 7338.6230316048. The cubic root of 53855388 is about 377.6386064705.

The spelling of 53855388 in words is "fifty-three million, eight hundred fifty-five thousand, three hundred eighty-eight".