52511242303 has 4 divisors (see below), whose sum is σ = 56550568648. Its totient is φ = 48471915960.

The previous prime is 52511242291. The next prime is 52511242313. The reversal of 52511242303 is 30324211525.

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-52511242303 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 (52511242313) 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, 2019663153 + ... + 2019663178.

It is an arithmetic number, because the mean of its divisors is an integer number (14137642162).

Almost surely, 2^52511242303 is an apocalyptic number.

52511242303 is a deficient number, since it is larger than the sum of its proper divisors (4039326345).

52511242303 is a wasteful number, since it uses less digits than its factorization.

52511242303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039326344.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 52511242303 its reverse (30324211525), we get a palindrome (82835453828).

The spelling of 52511242303 in words is "fifty-two billion, five hundred eleven million, two hundred forty-two thousand, three hundred three".