52306240661 has 4 divisors (see below), whose sum is σ = 52310064300. Its totient is φ = 52302417024.

The previous prime is 52306240559. The next prime is 52306240667. The reversal of 52306240661 is 16604260325.

It is a happy number.

52306240661 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 7024954225 + 45281286436 = 83815^2 + 212794^2 .

It is a cyclic number.

It is not a de Polignac number, because 52306240661 - 2¹⁰ = 52306239637 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 (52306240667) 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, 1891226 + ... + 1918683.

It is an arithmetic number, because the mean of its divisors is an integer number (13077516075).

Almost surely, 2^52306240661 is an apocalyptic number.

It is an amenable number.

52306240661 is a deficient number, since it is larger than the sum of its proper divisors (3823639).

52306240661 is a wasteful number, since it uses less digits than its factorization.

52306240661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823638.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 52306240661 in words is "fifty-two billion, three hundred six million, two hundred forty thousand, six hundred sixty-one".