52230191 has 4 divisors (see below), whose sum is σ = 56247912. Its totient is φ = 48212472.

The previous prime is 52230181. The next prime is 52230193. The reversal of 52230191 is 19103225.

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 52230191 - 2⁶ = 52230127 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 (52230193) 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, 2008841 + ... + 2008866.

It is an arithmetic number, because the mean of its divisors is an integer number (14061978).

Almost surely, 2^52230191 is an apocalyptic number.

52230191 is a deficient number, since it is larger than the sum of its proper divisors (4017721).

52230191 is a wasteful number, since it uses less digits than its factorization.

52230191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017720.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 52230191 is about 7227.0458003253. The cubic root of 52230191 is about 373.8010681031.

The spelling of 52230191 in words is "fifty-two million, two hundred thirty thousand, one hundred ninety-one".