52444213 has 4 divisors (see below), whose sum is σ = 52478188. Its totient is φ = 52410240.

The previous prime is 52444211. The next prime is 52444243. The reversal of 52444213 is 31244425.

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 43335889 + 9108324 = 6583^2 + 3018^2 .

It is a cyclic number.

It is not a de Polignac number, because 52444213 - 2¹ = 52444211 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 (52444211) 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, 14556 + ... + 17797.

It is an arithmetic number, because the mean of its divisors is an integer number (13119547).

Almost surely, 2^52444213 is an apocalyptic number.

It is an amenable number.

52444213 is a deficient number, since it is larger than the sum of its proper divisors (33975).

52444213 is a wasteful number, since it uses less digits than its factorization.

52444213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33974.

The product of its digits is 3840, while the sum is 25.

The square root of 52444213 is about 7241.8376811414. The cubic root of 52444213 is about 374.3109432368.

Adding to 52444213 its reverse (31244425), we get a palindrome (83688638).

The spelling of 52444213 in words is "fifty-two million, four hundred forty-four thousand, two hundred thirteen".