53542224 has 60 divisors (see below), whose sum is σ = 153346336. Its totient is φ = 17430336.

The previous prime is 53542213. The next prime is 53542249. The reversal of 53542224 is 42224535.

It is a happy number.

53542224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1869 + ... + 10515.

Almost surely, 2^53542224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53542224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76673168).

53542224 is an abundant number, since it is smaller than the sum of its proper divisors (99804112).

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

53542224 is a wasteful number, since it uses less digits than its factorization.

53542224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8704 (or 8695 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 53542224 is about 7317.2552231011. The cubic root of 53542224 is about 376.9052054534.

Adding to 53542224 its reverse (42224535), we get a palindrome (95766759).

The spelling of 53542224 in words is "fifty-three million, five hundred forty-two thousand, two hundred twenty-four".