53271842 has 18 divisors (see below), whose sum is σ = 86745843. Its totient is φ = 24525072.

The previous prime is 53271793. The next prime is 53271847. The reversal of 53271842 is 24817235.

53271842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 15437041 + 37834801 = 3929^2 + 6151^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5161.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53271799 and 53271808.

It is not an unprimeable number, because it can be changed into a prime (53271847) 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 8 ways as a sum of consecutive naturals, for example, 133988 + ... + 134384.

Almost surely, 2^53271842 is an apocalyptic number.

53271842 is a deficient number, since it is larger than the sum of its proper divisors (33474001).

53271842 is an equidigital number, since it uses as much as digits as its factorization.

53271842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 412 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 53271842 is about 7298.7561954075. The cubic root of 53271842 is about 376.2696920191.

Multiplying 53271842 by its sum of digits (32), we get a square (1704698944 = 41288²).

The spelling of 53271842 in words is "fifty-three million, two hundred seventy-one thousand, eight hundred forty-two".