52884869221 has 4 divisors (see below), whose sum is σ = 53054917344. Its totient is φ = 52714821100.

The previous prime is 52884869207. The next prime is 52884869227. The reversal of 52884869221 is 12296848825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52884869221 - 2²⁷ = 52750651493 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 (52884869227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85023595 + ... + 85024216.

It is an arithmetic number, because the mean of its divisors is an integer number (13263729336).

Almost surely, 2^52884869221 is an apocalyptic number.

It is an amenable number.

52884869221 is a deficient number, since it is larger than the sum of its proper divisors (170048123).

52884869221 is a wasteful number, since it uses less digits than its factorization.

52884869221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170048122.

The product of its digits is 4423680, while the sum is 55.

The spelling of 52884869221 in words is "fifty-two billion, eight hundred eighty-four million, eight hundred sixty-nine thousand, two hundred twenty-one".