52336140 has 24 divisors (see below), whose sum is σ = 146541360. Its totient is φ = 13956288.

The previous prime is 52336139. The next prime is 52336169. The reversal of 52336140 is 4163325.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52336140.

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, 436075 + ... + 436194.

It is an arithmetic number, because the mean of its divisors is an integer number (6105890).

Almost surely, 2^52336140 is an apocalyptic number.

It is an amenable number.

52336140 is an abundant number, since it is smaller than the sum of its proper divisors (94205220).

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

52336140 is a wasteful number, since it uses less digits than its factorization.

52336140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872281 (or 872279 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 52336140 is about 7234.3721220297. The cubic root of 52336140 is about 374.0536493524.

Adding to 52336140 its reverse (4163325), we get a palindrome (56499465).

It can be divided in two parts, 523 and 36140, that added together give a palindrome (36663).

The spelling of 52336140 in words is "fifty-two million, three hundred thirty-six thousand, one hundred forty".