52538668 has 96 divisors (see below), whose sum is σ = 120121344. Its totient is φ = 19554048.

The previous prime is 52538663. The next prime is 52538699. The reversal of 52538668 is 86683525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52538663) 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, 632955 + ... + 633037.

It is an arithmetic number, because the mean of its divisors is an integer number (1251264).

Almost surely, 2^52538668 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 52538668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60060672).

52538668 is an abundant number, since it is smaller than the sum of its proper divisors (67582676).

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

52538668 is a wasteful number, since it uses less digits than its factorization.

52538668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 52538668 is about 7248.3562274491. The cubic root of 52538668 is about 374.5355268693.

It can be divided in two parts, 525 and 38668, that added together give a palindrome (39193).

The spelling of 52538668 in words is "fifty-two million, five hundred thirty-eight thousand, six hundred sixty-eight".