52352340 has 96 divisors (see below), whose sum is σ = 151756416. Its totient is φ = 13478400.

The previous prime is 52352327. The next prime is 52352341. The reversal of 52352340 is 4325325.

It is a self number, because there is not a number n which added to its sum of digits gives 52352340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52352341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321099 + ... + 321261.

It is an arithmetic number, because the mean of its divisors is an integer number (1580796).

Almost surely, 2^52352340 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 52352340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75878208).

52352340 is an abundant number, since it is smaller than the sum of its proper divisors (99404076).

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

52352340 is a wasteful number, since it uses less digits than its factorization.

52352340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 52352340 is about 7235.4916902723. The cubic root of 52352340 is about 374.0922399197.

Adding to 52352340 its reverse (4325325), we get a palindrome (56677665).

The spelling of 52352340 in words is "fifty-two million, three hundred fifty-two thousand, three hundred forty".