52843993 has 4 divisors (see below), whose sum is σ = 52859520. Its totient is φ = 52828468.

The previous prime is 52843981. The next prime is 52844023. The reversal of 52843993 is 39934825.

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 52843993 - 2⁵ = 52843961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52843943) 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, 205 + ... + 10282.

It is an arithmetic number, because the mean of its divisors is an integer number (13214880).

Almost surely, 2^52843993 is an apocalyptic number.

It is an amenable number.

52843993 is a deficient number, since it is larger than the sum of its proper divisors (15527).

52843993 is a wasteful number, since it uses less digits than its factorization.

52843993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15526.

The product of its digits is 233280, while the sum is 43.

The square root of 52843993 is about 7269.3873882192. The cubic root of 52843993 is about 375.2596554286.

It can be divided in two parts, 5284 and 3993, that multiplied together give a palindrome (21099012).

The spelling of 52843993 in words is "fifty-two million, eight hundred forty-three thousand, nine hundred ninety-three".