52544481 has 32 divisors (see below), whose sum is σ = 81070080. Its totient is φ = 29937600.

The previous prime is 52544419. The next prime is 52544497. The reversal of 52544481 is 18444525.

It is a happy number.

It is not a de Polignac number, because 52544481 - 2⁷ = 52544353 is a prime.

It is a super-2 number, since 2×52544481² = 5521844967118722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (52544081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113256 + ... + 113718.

It is an arithmetic number, because the mean of its divisors is an integer number (2533440).

Almost surely, 2^52544481 is an apocalyptic number.

It is an amenable number.

52544481 is a deficient number, since it is larger than the sum of its proper divisors (28525599).

52544481 is a wasteful number, since it uses less digits than its factorization.

52544481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its digits is 25600, while the sum is 33.

The square root of 52544481 is about 7248.7572038247. The cubic root of 52544481 is about 374.5493395195.

It can be divided in two parts, 525444 and 81, that added together give a palindrome (525525).

The spelling of 52544481 in words is "fifty-two million, five hundred forty-four thousand, four hundred eighty-one".