53885240 has 64 divisors (see below), whose sum is σ = 129729600. Its totient is φ = 20072448.

The previous prime is 53885233. The next prime is 53885243. The reversal of 53885240 is 4258835.

53885240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53885240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53885243) 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, 73757 + ... + 74483.

It is an arithmetic number, because the mean of its divisors is an integer number (2027025).

Almost surely, 2^53885240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53885240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64864800).

53885240 is an abundant number, since it is smaller than the sum of its proper divisors (75844360).

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

53885240 is a wasteful number, since it uses less digits than its factorization.

53885240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 53885240 is about 7340.6566463771. The cubic root of 53885240 is about 377.7083685118.

The spelling of 53885240 in words is "fifty-three million, eight hundred eighty-five thousand, two hundred forty".