52515443103 has 4 divisors (see below), whose sum is σ = 70020590808. Its totient is φ = 35010295400.

The previous prime is 52515443093. The next prime is 52515443107. The reversal of 52515443103 is 30134451525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52515443103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52515443107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8752573848 + ... + 8752573853.

It is an arithmetic number, because the mean of its divisors is an integer number (17505147702).

Almost surely, 2^52515443103 is an apocalyptic number.

52515443103 is a deficient number, since it is larger than the sum of its proper divisors (17505147705).

52515443103 is a wasteful number, since it uses less digits than its factorization.

52515443103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17505147704.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 52515443103 its reverse (30134451525), we get a palindrome (82649894628).

The spelling of 52515443103 in words is "fifty-two billion, five hundred fifteen million, four hundred forty-three thousand, one hundred three".