52040384 has 56 divisors (see below), whose sum is σ = 116586000. Its totient is φ = 22830080.

The previous prime is 52040371. The next prime is 52040399. The reversal of 52040384 is 48304025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19142 + ... + 21690.

Almost surely, 2^52040384 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 52040384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58293000).

52040384 is an abundant number, since it is smaller than the sum of its proper divisors (64545616).

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

52040384 is a wasteful number, since it uses less digits than its factorization.

52040384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601 (or 2591 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 52040384 is about 7213.9021340742. The cubic root of 52040384 is about 373.3477148655.

It can be divided in two parts, 520 and 40384, that added together give a palindrome (40904).

The spelling of 52040384 in words is "fifty-two million, forty thousand, three hundred eighty-four".