52438188 has 24 divisors (see below), whose sum is σ = 133479360. Its totient is φ = 15890320.

The previous prime is 52438181. The next prime is 52438193. The reversal of 52438188 is 88183425.

It is not an unprimeable number, because it can be changed into a prime (52438181) 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, 198498 + ... + 198761.

It is an arithmetic number, because the mean of its divisors is an integer number (5561640).

Almost surely, 2^52438188 is an apocalyptic number.

It is an amenable number.

52438188 is an abundant number, since it is smaller than the sum of its proper divisors (81041172).

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

52438188 is a wasteful number, since it uses less digits than its factorization.

52438188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397277 (or 397275 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 52438188 is about 7241.4216836199. The cubic root of 52438188 is about 374.2966085774.

It can be divided in two parts, 5243 and 8188, that added together give a palindrome (13431).

The spelling of 52438188 in words is "fifty-two million, four hundred thirty-eight thousand, one hundred eighty-eight".