53522430 has 128 divisors (see below), whose sum is σ = 150958080. Its totient is φ = 12026880.

The previous prime is 53522419. The next prime is 53522459. The reversal of 53522430 is 3422535.

It is a self number, because there is not a number n which added to its sum of digits gives 53522430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 229594 + ... + 229826.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^53522430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53522430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75479040).

53522430 is an abundant number, since it is smaller than the sum of its proper divisors (97435650).

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

53522430 is a wasteful number, since it uses less digits than its factorization.

53522430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 53522430 is about 7315.9025417237. The cubic root of 53522430 is about 376.8587537584.

Adding to 53522430 its reverse (3422535), we get a palindrome (56944965).

The spelling of 53522430 in words is "fifty-three million, five hundred twenty-two thousand, four hundred thirty".