53452321 has 4 divisors (see below), whose sum is σ = 57564052. Its totient is φ = 49340592.

The previous prime is 53452303. The next prime is 53452327. The reversal of 53452321 is 12325435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7700625 + 45751696 = 2775^2 + 6764^2 .

It is a cyclic number.

It is not a de Polignac number, because 53452321 - 2⁷ = 53452193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53452327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2055846 + ... + 2055871.

It is an arithmetic number, because the mean of its divisors is an integer number (14391013).

Almost surely, 2^53452321 is an apocalyptic number.

It is an amenable number.

53452321 is a deficient number, since it is larger than the sum of its proper divisors (4111731).

53452321 is a wasteful number, since it uses less digits than its factorization.

53452321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111730.

The product of its digits is 3600, while the sum is 25.

The square root of 53452321 is about 7311.1094233365. The cubic root of 53452321 is about 376.6941328376.

Adding to 53452321 its reverse (12325435), we get a palindrome (65777756).

The spelling of 53452321 in words is "fifty-three million, four hundred fifty-two thousand, three hundred twenty-one".