53187432 has 16 divisors (see below), whose sum is σ = 132968640. Its totient is φ = 17729136.

The previous prime is 53187427. The next prime is 53187457. The reversal of 53187432 is 23478135.

53187432 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 = 53187393 and 53187402.

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, 1108048 + ... + 1108095.

It is an arithmetic number, because the mean of its divisors is an integer number (8310540).

Almost surely, 2^53187432 is an apocalyptic number.

It is an amenable number.

53187432 is an abundant number, since it is smaller than the sum of its proper divisors (79781208).

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

53187432 is a wasteful number, since it uses less digits than its factorization.

53187432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216152 (or 2216148 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 53187432 is about 7292.9714108860. The cubic root of 53187432 is about 376.0708520472.

The spelling of 53187432 in words is "fifty-three million, one hundred eighty-seven thousand, four hundred thirty-two".