52443403 has 4 divisors (see below), whose sum is σ = 52549000. Its totient is φ = 52337808.

The previous prime is 52443371. The next prime is 52443409. The reversal of 52443403 is 30434425.

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

It is a cyclic number.

It is not a de Polignac number, because 52443403 - 2⁵ = 52443371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52443409) 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, 52050 + ... + 53047.

It is an arithmetic number, because the mean of its divisors is an integer number (13137250).

Almost surely, 2^52443403 is an apocalyptic number.

52443403 is a deficient number, since it is larger than the sum of its proper divisors (105597).

52443403 is a wasteful number, since it uses less digits than its factorization.

52443403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105596.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 52443403 is about 7241.7817558941. The cubic root of 52443403 is about 374.3090161515.

Adding to 52443403 its reverse (30434425), we get a palindrome (82877828).

The spelling of 52443403 in words is "fifty-two million, four hundred forty-three thousand, four hundred three".