52644520663 has 8 divisors (see below), whose sum is σ = 60171577632. Its totient is φ = 45119066496.

The previous prime is 52644520637. The next prime is 52644520673. The reversal of 52644520663 is 36602544625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52644520663 - 2¹³ = 52644512471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52644520673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329470 + ... + 462427.

It is an arithmetic number, because the mean of its divisors is an integer number (7521447204).

Almost surely, 2^52644520663 is an apocalyptic number.

52644520663 is a deficient number, since it is larger than the sum of its proper divisors (7527056969).

52644520663 is an equidigital number, since it uses as much as digits as its factorization.

52644520663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801401.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 52644520663 in words is "fifty-two billion, six hundred forty-four million, five hundred twenty thousand, six hundred sixty-three".