52135224 has 32 divisors (see below), whose sum is σ = 131147520. Its totient is φ = 17270496.

The previous prime is 52135219. The next prime is 52135247. The reversal of 52135224 is 42253125.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 52135194 and 52135203.

It is a congruent number.

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, 2752 + ... + 10575.

It is an arithmetic number, because the mean of its divisors is an integer number (4098360).

Almost surely, 2^52135224 is an apocalyptic number.

It is an amenable number.

52135224 is an abundant number, since it is smaller than the sum of its proper divisors (79012296).

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

52135224 is a wasteful number, since it uses less digits than its factorization.

52135224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13499 (or 13495 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 52135224 is about 7220.4725607124. The cubic root of 52135224 is about 373.5743773571.

Adding to 52135224 its reverse (42253125), we get a palindrome (94388349).

The spelling of 52135224 in words is "fifty-two million, one hundred thirty-five thousand, two hundred twenty-four".