52144647 has 4 divisors (see below), whose sum is σ = 69526200. Its totient is φ = 34763096.

The previous prime is 52144643. The next prime is 52144649. The reversal of 52144647 is 74644125.

52144647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52144647 - 2² = 52144643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52144643) 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 3 ways as a sum of consecutive naturals, for example, 8690772 + ... + 8690777.

It is an arithmetic number, because the mean of its divisors is an integer number (17381550).

Almost surely, 2^52144647 is an apocalyptic number.

52144647 is a deficient number, since it is larger than the sum of its proper divisors (17381553).

52144647 is a wasteful number, since it uses less digits than its factorization.

52144647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17381552.

The product of its digits is 26880, while the sum is 33.

The square root of 52144647 is about 7221.1250508491. The cubic root of 52144647 is about 373.5968828024.

The spelling of 52144647 in words is "fifty-two million, one hundred forty-four thousand, six hundred forty-seven".