53004447 has 6 divisors (see below), whose sum is σ = 76561992. Its totient is φ = 35336292.

The previous prime is 53004409. The next prime is 53004449. The reversal of 53004447 is 74440035.

53004447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53004447 - 2⁸ = 53004191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53004447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53004449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2944683 + ... + 2944700.

It is an arithmetic number, because the mean of its divisors is an integer number (12760332).

Almost surely, 2^53004447 is an apocalyptic number.

53004447 is a deficient number, since it is larger than the sum of its proper divisors (23557545).

53004447 is a wasteful number, since it uses less digits than its factorization.

53004447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889389 (or 5889386 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 53004447 is about 7280.4153040881. The cubic root of 53004447 is about 375.6390809162.

The spelling of 53004447 in words is "fifty-three million, four thousand, four hundred forty-seven".