52421441 has 4 divisors (see below), whose sum is σ = 53310000. Its totient is φ = 51532884.

The previous prime is 52421431. The next prime is 52421471. The reversal of 52421441 is 14412425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52421441 - 2¹⁸ = 52159297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52421431) 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, 444191 + ... + 444308.

It is an arithmetic number, because the mean of its divisors is an integer number (13327500).

Almost surely, 2^52421441 is an apocalyptic number.

It is an amenable number.

52421441 is a deficient number, since it is larger than the sum of its proper divisors (888559).

52421441 is an equidigital number, since it uses as much as digits as its factorization.

52421441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888558.

The product of its digits is 1280, while the sum is 23.

The square root of 52421441 is about 7240.2652575717. The cubic root of 52421441 is about 374.2567584035.

Adding to 52421441 its reverse (14412425), we get a palindrome (66833866).

The spelling of 52421441 in words is "fifty-two million, four hundred twenty-one thousand, four hundred forty-one".