52090189 has 4 divisors (see below), whose sum is σ = 52140256. Its totient is φ = 52040124.

The previous prime is 52090183. The next prime is 52090201. The reversal of 52090189 is 98109025.

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 a de Polignac number, because none of the positive numbers 2^k-52090189 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 (52090183) 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, 23439 + ... + 25564.

It is an arithmetic number, because the mean of its divisors is an integer number (13035064).

Almost surely, 2^52090189 is an apocalyptic number.

It is an amenable number.

52090189 is a deficient number, since it is larger than the sum of its proper divisors (50067).

52090189 is a wasteful number, since it uses less digits than its factorization.

52090189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50066.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 52090189 is about 7217.3533237607. The cubic root of 52090189 is about 373.4667804367.

It can be divided in two parts, 520 and 90189, that added together give a palindrome (90709).

The spelling of 52090189 in words is "fifty-two million, ninety thousand, one hundred eighty-nine".