53135244003 has 4 divisors (see below), whose sum is σ = 70846992008. Its totient is φ = 35423496000.

The previous prime is 53135243951. The next prime is 53135244053. The reversal of 53135244003 is 30044253135.

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

It is a de Polignac number, because none of the positive numbers 2^k-53135244003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53135244053) 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, 8855873998 + ... + 8855874003.

It is an arithmetic number, because the mean of its divisors is an integer number (17711748002).

Almost surely, 2^53135244003 is an apocalyptic number.

53135244003 is a deficient number, since it is larger than the sum of its proper divisors (17711748005).

53135244003 is a wasteful number, since it uses less digits than its factorization.

53135244003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17711748004.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 53135244003 its reverse (30044253135), we get a palindrome (83179497138).

The spelling of 53135244003 in words is "fifty-three billion, one hundred thirty-five million, two hundred forty-four thousand, three".