52210221671291 has 4 divisors (see below), whose sum is σ = 52271143751112. Its totient is φ = 52149299591472.

The previous prime is 52210221671273. The next prime is 52210221671317. The reversal of 52210221671291 is 19217612201225.

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 52210221671291 - 2¹⁸ = 52210221409147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52210221071291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30461038625 + ... + 30461040338.

It is an arithmetic number, because the mean of its divisors is an integer number (13067785937778).

Almost surely, 2^{52210221671291} is an apocalyptic number.

52210221671291 is a deficient number, since it is larger than the sum of its proper divisors (60922079821).

52210221671291 is an equidigital number, since it uses as much as digits as its factorization.

52210221671291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60922079820.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 52210221671291 in words is "fifty-two trillion, two hundred ten billion, two hundred twenty-one million, six hundred seventy-one thousand, two hundred ninety-one".