53145224 has 16 divisors (see below), whose sum is σ = 108706320. Its totient is φ = 24156880.

The previous prime is 53145217. The next prime is 53145251. The reversal of 53145224 is 42254135.

It is a happy number.

53145224 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 = 53145193 and 53145202.

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 in 3 ways as a sum of consecutive naturals, for example, 301874 + ... + 302049.

It is an arithmetic number, because the mean of its divisors is an integer number (6794145).

Almost surely, 2^53145224 is an apocalyptic number.

It is an amenable number.

53145224 is an abundant number, since it is smaller than the sum of its proper divisors (55561096).

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

53145224 is a wasteful number, since it uses less digits than its factorization.

53145224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603940 (or 603936 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 53145224 is about 7290.0770914991. The cubic root of 53145224 is about 375.9713460886.

Adding to 53145224 its reverse (42254135), we get a palindrome (95399359).

The spelling of 53145224 in words is "fifty-three million, one hundred forty-five thousand, two hundred twenty-four".