52242532 has 12 divisors (see below), whose sum is σ = 91808640. Its totient is φ = 26011496.

The previous prime is 52242481. The next prime is 52242539. The reversal of 52242532 is 23524225.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 52242497 and 52242506.

It is not an unprimeable number, because it can be changed into a prime (52242539) 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, 26368 + ... + 28279.

It is an arithmetic number, because the mean of its divisors is an integer number (7650720).

Almost surely, 2^52242532 is an apocalyptic number.

It is an amenable number.

52242532 is a deficient number, since it is larger than the sum of its proper divisors (39566108).

52242532 is a wasteful number, since it uses less digits than its factorization.

52242532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54890 (or 54888 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 52242532 is about 7227.8995565794. The cubic root of 52242532 is about 373.8305064771.

Adding to 52242532 its reverse (23524225), we get a palindrome (75766757).

The spelling of 52242532 in words is "fifty-two million, two hundred forty-two thousand, five hundred thirty-two".