52636224 has 28 divisors (see below), whose sum is σ = 139267184. Its totient is φ = 17545344.

The previous prime is 52636223. The next prime is 52636231. The reversal of 52636224 is 42263625.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52636191 and 52636200.

It is not an unprimeable number, because it can be changed into a prime (52636223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136882 + ... + 137265.

It is an arithmetic number, because the mean of its divisors is an integer number (4973828).

Almost surely, 2^52636224 is an apocalyptic number.

It is an amenable number.

52636224 is an abundant number, since it is smaller than the sum of its proper divisors (86630960).

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

52636224 is a wasteful number, since it uses less digits than its factorization.

52636224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274162 (or 274152 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 52636224 is about 7255.0826321965. The cubic root of 52636224 is about 374.7672012870.

Adding to 52636224 its reverse (42263625), we get a palindrome (94899849).

The spelling of 52636224 in words is "fifty-two million, six hundred thirty-six thousand, two hundred twenty-four".