52506224 has 20 divisors (see below), whose sum is σ = 103456920. Its totient is φ = 25807680.

The previous prime is 52506221. The next prime is 52506247. The reversal of 52506224 is 42260525.

It is a junction number, because it is equal to n+sod(n) for n = 52506193 and 52506202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52506221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26867 + ... + 28754.

It is an arithmetic number, because the mean of its divisors is an integer number (5172846).

Almost surely, 2^52506224 is an apocalyptic number.

It is an amenable number.

52506224 is a deficient number, since it is larger than the sum of its proper divisors (50950696).

52506224 is a wasteful number, since it uses less digits than its factorization.

52506224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55688 (or 55682 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 52506224 is about 7246.1178571701. The cubic root of 52506224 is about 374.4584158371.

Adding to 52506224 its reverse (42260525), we get a palindrome (94766749).

The spelling of 52506224 in words is "fifty-two million, five hundred six thousand, two hundred twenty-four".