52443903 has 4 divisors (see below), whose sum is σ = 69925208. Its totient is φ = 34962600.

The previous prime is 52443901. The next prime is 52443907. The reversal of 52443903 is 30934425.

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

It is not a de Polignac number, because 52443903 - 2¹ = 52443901 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 (52443901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8740648 + ... + 8740653.

It is an arithmetic number, because the mean of its divisors is an integer number (17481302).

Almost surely, 2^52443903 is an apocalyptic number.

52443903 is a deficient number, since it is larger than the sum of its proper divisors (17481305).

52443903 is a wasteful number, since it uses less digits than its factorization.

52443903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17481304.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 52443903 is about 7241.8162777027. The cubic root of 52443903 is about 374.3102057127.

The spelling of 52443903 in words is "fifty-two million, four hundred forty-three thousand, nine hundred three".