52003989 has 24 divisors (see below), whose sum is σ = 81095040. Its totient is φ = 32014752.

The previous prime is 52003951. The next prime is 52003997. The reversal of 52003989 is 98930025.

It is not a de Polignac number, because 52003989 - 2¹¹ = 52001941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52003909) 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 23 ways as a sum of consecutive naturals, for example, 1672 + ... + 10334.

It is an arithmetic number, because the mean of its divisors is an integer number (3378960).

Almost surely, 2^52003989 is an apocalyptic number.

It is an amenable number.

52003989 is a deficient number, since it is larger than the sum of its proper divisors (29091051).

52003989 is a wasteful number, since it uses less digits than its factorization.

52003989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8721 (or 8718 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 52003989 is about 7211.3791330092. The cubic root of 52003989 is about 373.2606596601.

The spelling of 52003989 in words is "fifty-two million, three thousand, nine hundred eighty-nine".