52520384 has 56 divisors (see below), whose sum is σ = 121188480. Its totient is φ = 22116096.

The previous prime is 52520383. The next prime is 52520387. The reversal of 52520384 is 48302525.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52520381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25439 + ... + 27425.

It is an arithmetic number, because the mean of its divisors is an integer number (2164080).

Almost surely, 2^52520384 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 52520384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60594240).

52520384 is an abundant number, since it is smaller than the sum of its proper divisors (68668096).

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

52520384 is a wasteful number, since it uses less digits than its factorization.

52520384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065 (or 2055 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 52520384 is about 7247.0948662205. The cubic root of 52520384 is about 374.4920744156.

The spelling of 52520384 in words is "fifty-two million, five hundred twenty thousand, three hundred eighty-four".