53112432 has 20 divisors (see below), whose sum is σ = 137207240. Its totient is φ = 17704128.

The previous prime is 53112431. The next prime is 53112457. The reversal of 53112432 is 23421135.

53112432 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 = 53112399 and 53112408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53112431) 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 3 ways as a sum of consecutive naturals, for example, 553207 + ... + 553302.

It is an arithmetic number, because the mean of its divisors is an integer number (6860362).

Almost surely, 2^53112432 is an apocalyptic number.

It is an amenable number.

53112432 is an abundant number, since it is smaller than the sum of its proper divisors (84094808).

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

53112432 is a wasteful number, since it uses less digits than its factorization.

53112432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106520 (or 1106514 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 53112432 is about 7287.8276598723. The cubic root of 53112432 is about 375.8940021114.

Adding to 53112432 its reverse (23421135), we get a palindrome (76533567).

The spelling of 53112432 in words is "fifty-three million, one hundred twelve thousand, four hundred thirty-two".