52323840 has 160 divisors (see below), whose sum is σ = 186104160. Its totient is φ = 13934592.

The previous prime is 52323839. The next prime is 52323857. The reversal of 52323840 is 4832325.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68742 + ... + 69498.

It is an arithmetic number, because the mean of its divisors is an integer number (1163151).

Almost surely, 2^52323840 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 52323840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93052080).

52323840 is an abundant number, since it is smaller than the sum of its proper divisors (133780320).

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

52323840 is an equidigital number, since it uses as much as digits as its factorization.

52323840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 52323840 is about 7233.5219637463. The cubic root of 52323840 is about 374.0243437880.

The spelling of 52323840 in words is "fifty-two million, three hundred twenty-three thousand, eight hundred forty".