52135452 has 18 divisors (see below), whose sum is σ = 131786928. Its totient is φ = 17378472.

The previous prime is 52135451. The next prime is 52135483. The reversal of 52135452 is 25453125.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52135451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 724068 + ... + 724139.

It is an arithmetic number, because the mean of its divisors is an integer number (7321496).

Almost surely, 2^52135452 is an apocalyptic number.

It is an amenable number.

52135452 is an abundant number, since it is smaller than the sum of its proper divisors (79651476).

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

52135452 is a wasteful number, since it uses less digits than its factorization.

52135452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448217 (or 1448212 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52135452 is about 7220.4883491354. The cubic root of 52135452 is about 373.5749219335.

Adding to 52135452 its reverse (25453125), we get a palindrome (77588577).

The spelling of 52135452 in words is "fifty-two million, one hundred thirty-five thousand, four hundred fifty-two".