52384140 has 216 divisors, whose sum is σ = 181031760. Its totient is φ = 12220416.

The previous prime is 52384139. The next prime is 52384169. The reversal of 52384140 is 4148325.

52384140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 71 ways as a sum of consecutive naturals, for example, 988354 + ... + 988406.

It is an arithmetic number, because the mean of its divisors is an integer number (838110).

Almost surely, 2^52384140 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 52384140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90515880).

52384140 is an abundant number, since it is smaller than the sum of its proper divisors (128647620).

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

52384140 is a wasteful number, since it uses less digits than its factorization.

52384140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 52384140 is about 7237.6888576396. The cubic root of 52384140 is about 374.1679686288.

The spelling of 52384140 in words is "fifty-two million, three hundred eighty-four thousand, one hundred forty".