52091983 has 4 divisors (see below), whose sum is σ = 52553088. Its totient is φ = 51630880.

The previous prime is 52091959. The next prime is 52091989. The reversal of 52091983 is 38919025.

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

It is a cyclic number.

It is not a de Polignac number, because 52091983 - 2⁹ = 52091471 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 (52091989) 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, 230383 + ... + 230608.

It is an arithmetic number, because the mean of its divisors is an integer number (13138272).

Almost surely, 2^52091983 is an apocalyptic number.

52091983 is a deficient number, since it is larger than the sum of its proper divisors (461105).

52091983 is a wasteful number, since it uses less digits than its factorization.

52091983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461104.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 52091983 is about 7217.4776064772. The cubic root of 52091983 is about 373.4710678193.

The spelling of 52091983 in words is "fifty-two million, ninety-one thousand, nine hundred eighty-three".