52003444 has 6 divisors (see below), whose sum is σ = 91006034. Its totient is φ = 26001720.

The previous prime is 52003439. The next prime is 52003447. The reversal of 52003444 is 44430025.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49871844 + 2131600 = 7062^2 + 1460^2 .

It is a super-2 number, since 2×52003444² = 5408716375722272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52003447) 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 as a sum of consecutive naturals, namely, 6500427 + ... + 6500434.

Almost surely, 2^52003444 is an apocalyptic number.

It is an amenable number.

52003444 is a deficient number, since it is larger than the sum of its proper divisors (39002590).

52003444 is a wasteful number, since it uses less digits than its factorization.

52003444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13000865 (or 13000863 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 52003444 is about 7211.3413454086. The cubic root of 52003444 is about 373.2593557360.

Adding to 52003444 its reverse (44430025), we get a palindrome (96433469).

The spelling of 52003444 in words is "fifty-two million, three thousand, four hundred forty-four".