53212432 has 120 divisors (see below), whose sum is σ = 135366336. Its totient is φ = 20047104.

The previous prime is 53212429. The next prime is 53212433. The reversal of 53212432 is 23421235.

53212432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53212433) 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 23 ways as a sum of consecutive naturals, for example, 234303 + ... + 234529.

Almost surely, 2^53212432 is an apocalyptic number.

53212432 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 53212432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67683168).

53212432 is an abundant number, since it is smaller than the sum of its proper divisors (82153904).

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

53212432 is a wasteful number, since it uses less digits than its factorization.

53212432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 272 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 53212432 is about 7294.6851885465. The cubic root of 53212432 is about 376.1297650791.

Adding to 53212432 its reverse (23421235), we get a palindrome (76633667).

The spelling of 53212432 in words is "fifty-three million, two hundred twelve thousand, four hundred thirty-two".