52220524 has 6 divisors (see below), whose sum is σ = 91385924. Its totient is φ = 26110260.

The previous prime is 52220479. The next prime is 52220543. The reversal of 52220524 is 42502225.

It is a happy number.

52220524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52220495 and 52220504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6527562 + ... + 6527569.

Almost surely, 2^52220524 is an apocalyptic number.

It is an amenable number.

52220524 is a deficient number, since it is larger than the sum of its proper divisors (39165400).

52220524 is a wasteful number, since it uses less digits than its factorization.

52220524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13055135 (or 13055133 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 52220524 is about 7226.3769622128. The cubic root of 52220524 is about 373.7780050827.

Adding to 52220524 its reverse (42502225), we get a palindrome (94722749).

The spelling of 52220524 in words is "fifty-two million, two hundred twenty thousand, five hundred twenty-four".