52644566326 has 16 divisors (see below), whose sum is σ = 86216716368. Its totient is φ = 23909608800.

The previous prime is 52644566311. The next prime is 52644566413. The reversal of 52644566326 is 62366544625.

It is a super-2 number, since 2×52644566326² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52644566326.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 959685 + ... + 1013056.

It is an arithmetic number, because the mean of its divisors is an integer number (5388544773).

Almost surely, 2^52644566326 is an apocalyptic number.

52644566326 is a deficient number, since it is larger than the sum of its proper divisors (33572150042).

52644566326 is a wasteful number, since it uses less digits than its factorization.

52644566326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973967.

The product of its digits is 6220800, while the sum is 49.

The spelling of 52644566326 in words is "fifty-two billion, six hundred forty-four million, five hundred sixty-six thousand, three hundred twenty-six".