53244220 has 12 divisors (see below), whose sum is σ = 111812904. Its totient is φ = 21297680.

The previous prime is 53244193. The next prime is 53244223. The reversal of 53244220 is 2244235.

53244220 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 = 53244191 and 53244200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53244223) 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 in 3 ways as a sum of consecutive naturals, for example, 1331086 + ... + 1331125.

It is an arithmetic number, because the mean of its divisors is an integer number (9317742).

Almost surely, 2^53244220 is an apocalyptic number.

It is an amenable number.

53244220 is an abundant number, since it is smaller than the sum of its proper divisors (58568684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53244220 is a wasteful number, since it uses less digits than its factorization.

53244220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662220 (or 2662218 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 53244220 is about 7296.8637098414. The cubic root of 53244220 is about 376.2046475359.

Adding to 53244220 its reverse (2244235), we get a palindrome (55488455).

The spelling of 53244220 in words is "fifty-three million, two hundred forty-four thousand, two hundred twenty".