52100556571 has 4 divisors (see below), whose sum is σ = 59543493232. Its totient is φ = 44657619912.

The previous prime is 52100556551. The next prime is 52100556601. The reversal of 52100556571 is 17565500125.

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 52100556571 - 2⁹ = 52100556059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52100556571.

It is not an unprimeable number, because it can be changed into a prime (52100556551) 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, 3721468320 + ... + 3721468333.

It is an arithmetic number, because the mean of its divisors is an integer number (14885873308).

Almost surely, 2^52100556571 is an apocalyptic number.

52100556571 is a deficient number, since it is larger than the sum of its proper divisors (7442936661).

52100556571 is an equidigital number, since it uses as much as digits as its factorization.

52100556571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442936660.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 52100556571 in words is "fifty-two billion, one hundred million, five hundred fifty-six thousand, five hundred seventy-one".