53441521 has 8 divisors (see below), whose sum is σ = 61182464. Its totient is φ = 45727200.

The previous prime is 53441513. The next prime is 53441533. The reversal of 53441521 is 12514435.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 53441521 - 2³ = 53441513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53441321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2145 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (7647808).

Almost surely, 2^53441521 is an apocalyptic number.

It is an amenable number.

53441521 is a deficient number, since it is larger than the sum of its proper divisors (7740943).

53441521 is a wasteful number, since it uses less digits than its factorization.

53441521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13311.

The product of its digits is 2400, while the sum is 25.

The square root of 53441521 is about 7310.3707840300. The cubic root of 53441521 is about 376.6687608763.

Adding to 53441521 its reverse (12514435), we get a palindrome (65955956).

The spelling of 53441521 in words is "fifty-three million, four hundred forty-one thousand, five hundred twenty-one".