52640561743 has 8 divisors (see below), whose sum is σ = 65629791360. Its totient is φ = 41018619480.

The previous prime is 52640561741. The next prime is 52640561783. The reversal of 52640561743 is 34716504625.

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

It is a cyclic number.

It is not a de Polignac number, because 52640561743 - 2¹ = 52640561741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52640561743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52640561741) 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, 341821753 + ... + 341821906.

It is an arithmetic number, because the mean of its divisors is an integer number (8203723920).

Almost surely, 2^52640561743 is an apocalyptic number.

52640561743 is a deficient number, since it is larger than the sum of its proper divisors (12989229617).

52640561743 is a wasteful number, since it uses less digits than its factorization.

52640561743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683643677.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 52640561743 in words is "fifty-two billion, six hundred forty million, five hundred sixty-one thousand, seven hundred forty-three".