53244320403 has 4 divisors (see below), whose sum is σ = 70992427208. Its totient is φ = 35496213600.

The previous prime is 53244320357. The next prime is 53244320417. The reversal of 53244320403 is 30402344235.

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

It is not a de Polignac number, because 53244320403 - 2⁸ = 53244320147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53244320453) 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, 8874053398 + ... + 8874053403.

It is an arithmetic number, because the mean of its divisors is an integer number (17748106802).

Almost surely, 2^53244320403 is an apocalyptic number.

53244320403 is a deficient number, since it is larger than the sum of its proper divisors (17748106805).

53244320403 is a wasteful number, since it uses less digits than its factorization.

53244320403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17748106804.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 53244320403 its reverse (30402344235), we get a palindrome (83646664638).

The spelling of 53244320403 in words is "fifty-three billion, two hundred forty-four million, three hundred twenty thousand, four hundred three".