52388197 has 4 divisors (see below), whose sum is σ = 52403040. Its totient is φ = 52373356.

The previous prime is 52388191. The next prime is 52388207. The reversal of 52388197 is 79188325.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52388197 - 2¹¹ = 52386149 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 (52388191) 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, 1254 + ... + 10312.

It is an arithmetic number, because the mean of its divisors is an integer number (13100760).

Almost surely, 2^52388197 is an apocalyptic number.

It is an amenable number.

52388197 is a deficient number, since it is larger than the sum of its proper divisors (14843).

52388197 is an equidigital number, since it uses as much as digits as its factorization.

52388197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14842.

The product of its digits is 120960, while the sum is 43.

The square root of 52388197 is about 7237.9691212384. The cubic root of 52388197 is about 374.1776277881.

The spelling of 52388197 in words is "fifty-two million, three hundred eighty-eight thousand, one hundred ninety-seven".