52886921 has 4 divisors (see below), whose sum is σ = 52903572. Its totient is φ = 52870272.

The previous prime is 52886917. The next prime is 52886941. The reversal of 52886921 is 12968825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9853321 + 43033600 = 3139^2 + 6560^2 .

It is a cyclic number.

It is not a de Polignac number, because 52886921 - 2² = 52886917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52886941) 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, 1916 + ... + 10461.

It is an arithmetic number, because the mean of its divisors is an integer number (13225893).

Almost surely, 2^52886921 is an apocalyptic number.

It is an amenable number.

52886921 is a deficient number, since it is larger than the sum of its proper divisors (16651).

52886921 is a wasteful number, since it uses less digits than its factorization.

52886921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650.

The product of its digits is 69120, while the sum is 41.

The square root of 52886921 is about 7272.3394447729. The cubic root of 52886921 is about 375.3612424172.

The spelling of 52886921 in words is "fifty-two million, eight hundred eighty-six thousand, nine hundred twenty-one".