52082855621 has 8 divisors (see below), whose sum is σ = 52371822360. Its totient is φ = 51794684928.

The previous prime is 52082855611. The next prime is 52082855623. The reversal of 52082855621 is 12655828025.

It can be written as a sum of positive squares in 4 ways, for example, as 7346375521 + 44736480100 = 85711^2 + 211510^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52082855621 - 2¹⁸ = 52082593477 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 (52082855623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67556 + ... + 329741.

It is an arithmetic number, because the mean of its divisors is an integer number (6546477795).

Almost surely, 2^52082855621 is an apocalyptic number.

It is an amenable number.

52082855621 is a deficient number, since it is larger than the sum of its proper divisors (288966739).

52082855621 is a wasteful number, since it uses less digits than its factorization.

52082855621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398023.

The product of its (nonzero) digits is 384000, while the sum is 44.

The spelling of 52082855621 in words is "fifty-two billion, eighty-two million, eight hundred fifty-five thousand, six hundred twenty-one".