53306522 has 4 divisors (see below), whose sum is σ = 79959786. Its totient is φ = 26653260.

The previous prime is 53306503. The next prime is 53306527. The reversal of 53306522 is 22560335.

53306522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51566761 + 1739761 = 7181^2 + 1319^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53306491 and 53306500.

It is not an unprimeable number, because it can be changed into a prime (53306527) by changing a digit.

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, 13326629 + ... + 13326632.

Almost surely, 2^53306522 is an apocalyptic number.

53306522 is a deficient number, since it is larger than the sum of its proper divisors (26653264).

53306522 is a wasteful number, since it uses less digits than its factorization.

53306522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26653263.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 53306522 is about 7301.1315561357. The cubic root of 53306522 is about 376.3513249031.

Adding to 53306522 its reverse (22560335), we get a palindrome (75866857).

The spelling of 53306522 in words is "fifty-three million, three hundred six thousand, five hundred twenty-two".