52221873 has 16 divisors (see below), whose sum is σ = 76132800. Its totient is φ = 31577280.

The previous prime is 52221839. The next prime is 52221881. The reversal of 52221873 is 37812225.

It is not a de Polignac number, because 52221873 - 2¹⁶ = 52156337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52221873.

It is not an unprimeable number, because it can be changed into a prime (52221803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15243 + ... + 18351.

It is an arithmetic number, because the mean of its divisors is an integer number (4758300).

Almost surely, 2^52221873 is an apocalyptic number.

It is an amenable number.

52221873 is a deficient number, since it is larger than the sum of its proper divisors (23910927).

52221873 is a wasteful number, since it uses less digits than its factorization.

52221873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632.

The product of its digits is 6720, while the sum is 30.

The square root of 52221873 is about 7226.4703002226. The cubic root of 52221873 is about 373.7812236268.

The spelling of 52221873 in words is "fifty-two million, two hundred twenty-one thousand, eight hundred seventy-three".