53271321 has 8 divisors (see below), whose sum is σ = 71091840. Its totient is φ = 35482512.

The previous prime is 53271313. The next prime is 53271331. The reversal of 53271321 is 12317235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53271321 - 2³ = 53271313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53271291 and 53271300.

It is not an unprimeable number, because it can be changed into a prime (53271301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3681 + ... + 10958.

It is an arithmetic number, because the mean of its divisors is an integer number (8886480).

Almost surely, 2^53271321 is an apocalyptic number.

It is an amenable number.

53271321 is a deficient number, since it is larger than the sum of its proper divisors (17820519).

53271321 is a wasteful number, since it uses less digits than its factorization.

53271321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855.

The product of its digits is 1260, while the sum is 24.

The square root of 53271321 is about 7298.7205043076. The cubic root of 53271321 is about 376.2684653726.

Adding to 53271321 its reverse (12317235), we get a palindrome (65588556).

The spelling of 53271321 in words is "fifty-three million, two hundred seventy-one thousand, three hundred twenty-one".