53523132 has 96 divisors (see below), whose sum is σ = 140743680. Its totient is φ = 15724800.

The previous prime is 53523121. The next prime is 53523149. The reversal of 53523132 is 23132535.

It is a happy number.

53523132 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 31 ways as a sum of consecutive naturals, for example, 529882 + ... + 529982.

It is an arithmetic number, because the mean of its divisors is an integer number (1466080).

Almost surely, 2^53523132 is an apocalyptic number.

53523132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53523132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70371840).

53523132 is an abundant number, since it is smaller than the sum of its proper divisors (87220548).

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

53523132 is a wasteful number, since it uses less digits than its factorization.

53523132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 241 counting only the distinct ones).

The product of its digits is 2700, while the sum is 24.

The square root of 53523132 is about 7315.9505192422. The cubic root of 53523132 is about 376.8604013773.

Adding to 53523132 its reverse (23132535), we get a palindrome (76655667).

The spelling of 53523132 in words is "fifty-three million, five hundred twenty-three thousand, one hundred thirty-two".