52732249 has 4 divisors (see below), whose sum is σ = 55834164. Its totient is φ = 49630336.

The previous prime is 52732247. The next prime is 52732313. The reversal of 52732249 is 94223725.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40094224 + 12638025 = 6332^2 + 3555^2 .

It is a cyclic number.

It is not a de Polignac number, because 52732249 - 2¹ = 52732247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52732247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550932 + ... + 1550965.

It is an arithmetic number, because the mean of its divisors is an integer number (13958541).

Almost surely, 2^52732249 is an apocalyptic number.

It is an amenable number.

52732249 is a deficient number, since it is larger than the sum of its proper divisors (3101915).

52732249 is a wasteful number, since it uses less digits than its factorization.

52732249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101914.

The product of its digits is 30240, while the sum is 34.

The square root of 52732249 is about 7261.6973911063. The cubic root of 52732249 is about 374.9949605249.

The spelling of 52732249 in words is "fifty-two million, seven hundred thirty-two thousand, two hundred forty-nine".