52543447 has 16 divisors (see below), whose sum is σ = 62791200. Its totient is φ = 43402240.

The previous prime is 52543409. The next prime is 52543451. The reversal of 52543447 is 74434525.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52543447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52543457) 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 15 ways as a sum of consecutive naturals, for example, 579 + ... + 10267.

It is an arithmetic number, because the mean of its divisors is an integer number (3924450).

Almost surely, 2^52543447 is an apocalyptic number.

52543447 is a deficient number, since it is larger than the sum of its proper divisors (10247753).

52543447 is a wasteful number, since it uses less digits than its factorization.

52543447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9746.

The product of its digits is 67200, while the sum is 34.

The square root of 52543447 is about 7248.6858809028. The cubic root of 52543447 is about 374.5468826389.

It can be divided in two parts, 5 and 2543447, that added together give a palindrome (2543452).

The spelling of 52543447 in words is "fifty-two million, five hundred forty-three thousand, four hundred forty-seven".