52640324045 has 4 divisors (see below), whose sum is σ = 63168388860. Its totient is φ = 42112259232.

The previous prime is 52640323987. The next prime is 52640324047. The reversal of 52640324045 is 54042304625.

52640324045 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 can be written as a sum of positive squares in 2 ways, for example, as 41894721124 + 10745602921 = 204682^2 + 103661^2 .

It is a cyclic number.

It is not a de Polignac number, because 52640324045 - 2¹⁶ = 52640258509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52640323996 and 52640324014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52640324047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5264032400 + ... + 5264032409.

It is an arithmetic number, because the mean of its divisors is an integer number (15792097215).

Almost surely, 2^52640324045 is an apocalyptic number.

It is an amenable number.

52640324045 is a deficient number, since it is larger than the sum of its proper divisors (10528064815).

52640324045 is a wasteful number, since it uses less digits than its factorization.

52640324045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10528064814.

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 52640324045 in words is "fifty-two billion, six hundred forty million, three hundred twenty-four thousand, forty-five".