52809903 has 6 divisors (see below), whose sum is σ = 76280984. Its totient is φ = 35206596.

The previous prime is 52809901. The next prime is 52809917. The reversal of 52809903 is 30990825.

It is not a de Polignac number, because 52809903 - 2¹ = 52809901 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 (52809901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2933875 + ... + 2933892.

Almost surely, 2^52809903 is an apocalyptic number.

52809903 is a deficient number, since it is larger than the sum of its proper divisors (23471081).

52809903 is a wasteful number, since it uses less digits than its factorization.

52809903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5867773 (or 5867770 counting only the distinct ones).

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

The square root of 52809903 is about 7267.0422456457. The cubic root of 52809903 is about 375.1789439306.

The spelling of 52809903 in words is "fifty-two million, eight hundred nine thousand, nine hundred three".