52242724 has 6 divisors (see below), whose sum is σ = 91424774. Its totient is φ = 26121360.

The previous prime is 52242689. The next prime is 52242727. The reversal of 52242724 is 42724225.

It can be written as a sum of positive squares in only one way, i.e., 44222500 + 8020224 = 6650^2 + 2832^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52242692 and 52242701.

It is not an unprimeable number, because it can be changed into a prime (52242727) 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 as a sum of consecutive naturals, namely, 6530337 + ... + 6530344.

Almost surely, 2^52242724 is an apocalyptic number.

It is an amenable number.

52242724 is a deficient number, since it is larger than the sum of its proper divisors (39182050).

52242724 is a wasteful number, since it uses less digits than its factorization.

52242724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13060685 (or 13060683 counting only the distinct ones).

The product of its digits is 8960, while the sum is 28.

The square root of 52242724 is about 7227.9128384341. The cubic root of 52242724 is about 373.8309644397.

Adding to 52242724 its reverse (42724225), we get a palindrome (94966949).

The spelling of 52242724 in words is "fifty-two million, two hundred forty-two thousand, seven hundred twenty-four".