52563646 has 4 divisors (see below), whose sum is σ = 78845472. Its totient is φ = 26281822.

The previous prime is 52563611. The next prime is 52563647. The reversal of 52563646 is 64636525.

52563646 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (52563647) 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 as a sum of consecutive naturals, namely, 13140910 + ... + 13140913.

It is an arithmetic number, because the mean of its divisors is an integer number (19711368).

Almost surely, 2^52563646 is an apocalyptic number.

52563646 is a deficient number, since it is larger than the sum of its proper divisors (26281826).

52563646 is a wasteful number, since it uses less digits than its factorization.

52563646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26281825.

The product of its digits is 129600, while the sum is 37.

The square root of 52563646 is about 7250.0790340520. The cubic root of 52563646 is about 374.5948715171.

The spelling of 52563646 in words is "fifty-two million, five hundred sixty-three thousand, six hundred forty-six".