52160321 has 12 divisors (see below), whose sum is σ = 54969600. Its totient is φ = 49442640.

The previous prime is 52160309. The next prime is 52160327. The reversal of 52160321 is 12306125.

It is not a de Polignac number, because 52160321 - 2⁶ = 52160257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52160293 and 52160302.

It is not an unprimeable number, because it can be changed into a prime (52160327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86780 + ... + 87378.

It is an arithmetic number, because the mean of its divisors is an integer number (4580800).

Almost surely, 2^52160321 is an apocalyptic number.

It is an amenable number.

52160321 is a deficient number, since it is larger than the sum of its proper divisors (2809279).

52160321 is an equidigital number, since it uses as much as digits as its factorization.

52160321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 52160321 is about 7222.2102572550. The cubic root of 52160321 is about 373.6343118340.

Adding to 52160321 its reverse (12306125), we get a palindrome (64466446).

The spelling of 52160321 in words is "fifty-two million, one hundred sixty thousand, three hundred twenty-one".