52327807021 has 6 divisors (see below), whose sum is σ = 60871122510. Its totient is φ = 44852405976.

The previous prime is 52327807019. The next prime is 52327807067. The reversal of 52327807021 is 12070872325.

It can be written as a sum of positive squares in only one way, i.e., 26654154121 + 25673652900 = 163261^2 + 160230^2 .

It is not a de Polignac number, because 52327807021 - 2¹ = 52327807019 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 (52327807621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 533957166 + ... + 533957263.

It is an arithmetic number, because the mean of its divisors is an integer number (10145187085).

Almost surely, 2^52327807021 is an apocalyptic number.

It is an amenable number.

52327807021 is a deficient number, since it is larger than the sum of its proper divisors (8543315489).

52327807021 is a wasteful number, since it uses less digits than its factorization.

52327807021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067914443 (or 1067914436 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 52327807021 in words is "fifty-two billion, three hundred twenty-seven million, eight hundred seven thousand, twenty-one".