52189427 has 4 divisors (see below), whose sum is σ = 52706256. Its totient is φ = 51672600.

The previous prime is 52189421. The next prime is 52189441. The reversal of 52189427 is 72498125.

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 52189427 - 2⁶ = 52189363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52189421) 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, 258263 + ... + 258464.

It is an arithmetic number, because the mean of its divisors is an integer number (13176564).

Almost surely, 2^52189427 is an apocalyptic number.

52189427 is a deficient number, since it is larger than the sum of its proper divisors (516829).

52189427 is a wasteful number, since it uses less digits than its factorization.

52189427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516828.

The product of its digits is 40320, while the sum is 38.

The square root of 52189427 is about 7224.2250103385. The cubic root of 52189427 is about 373.7037961847.

The spelling of 52189427 in words is "fifty-two million, one hundred eighty-nine thousand, four hundred twenty-seven".