52569842647 has 4 divisors (see below), whose sum is σ = 60079820176. Its totient is φ = 45059865120.

The previous prime is 52569842587. The next prime is 52569842657. The reversal of 52569842647 is 74624896525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52569842647 - 2⁷ = 52569842519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52569842591 and 52569842600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52569842657) 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 3 ways as a sum of consecutive naturals, for example, 3754988754 + ... + 3754988767.

It is an arithmetic number, because the mean of its divisors is an integer number (15019955044).

Almost surely, 2^52569842647 is an apocalyptic number.

52569842647 is a deficient number, since it is larger than the sum of its proper divisors (7509977529).

52569842647 is an equidigital number, since it uses as much as digits as its factorization.

52569842647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7509977528.

The product of its digits is 29030400, while the sum is 58.

The spelling of 52569842647 in words is "fifty-two billion, five hundred sixty-nine million, eight hundred forty-two thousand, six hundred forty-seven".