53423328 has 144 divisors (see below), whose sum is σ = 167714064. Its totient is φ = 14837760.

The previous prime is 53423317. The next prime is 53423339. The reversal of 53423328 is 82332435.

53423328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53423317) and next prime (53423339).

It is a junction number, because it is equal to n+sod(n) for n = 53423295 and 53423304.

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 23 ways as a sum of consecutive naturals, for example, 192726 + ... + 193002.

It is an arithmetic number, because the mean of its divisors is an integer number (1164681).

Almost surely, 2^53423328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53423328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83857032).

53423328 is an abundant number, since it is smaller than the sum of its proper divisors (114290736).

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

53423328 is a wasteful number, since it uses less digits than its factorization.

53423328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 330 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 53423328 is about 7309.1263499819. The cubic root of 53423328 is about 376.6260131375.

The spelling of 53423328 in words is "fifty-three million, four hundred twenty-three thousand, three hundred twenty-eight".