52843721 has 8 divisors (see below), whose sum is σ = 60436800. Its totient is φ = 45261648.

The previous prime is 52843709. The next prime is 52843729. The reversal of 52843721 is 12734825.

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 52843721 - 2⁶ = 52843657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52843729) 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, 17495 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (7554600).

Almost surely, 2^52843721 is an apocalyptic number.

It is an amenable number.

52843721 is a deficient number, since it is larger than the sum of its proper divisors (7593079).

52843721 is a wasteful number, since it uses less digits than its factorization.

52843721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503.

The product of its digits is 13440, while the sum is 32.

The square root of 52843721 is about 7269.3686796035. The cubic root of 52843721 is about 375.2590115787.

The spelling of 52843721 in words is "fifty-two million, eight hundred forty-three thousand, seven hundred twenty-one".