52521441 has 16 divisors (see below), whose sum is σ = 80256000. Its totient is φ = 29928528.

The previous prime is 52521439. The next prime is 52521461. The reversal of 52521441 is 14412525.

It is not a de Polignac number, because 52521441 - 2¹ = 52521439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52521421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4660 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (5016000).

Almost surely, 2^52521441 is an apocalyptic number.

It is an amenable number.

52521441 is a deficient number, since it is larger than the sum of its proper divisors (27734559).

52521441 is a wasteful number, since it uses less digits than its factorization.

52521441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988.

The product of its digits is 1600, while the sum is 24.

The square root of 52521441 is about 7247.1677916273. The cubic root of 52521441 is about 374.4945866813.

Adding to 52521441 its reverse (14412525), we get a palindrome (66933966).

The spelling of 52521441 in words is "fifty-two million, five hundred twenty-one thousand, four hundred forty-one".