51032353103 has 4 divisors (see below), whose sum is σ = 53251151088. Its totient is φ = 48813555120.

The previous prime is 51032353067. The next prime is 51032353129. The reversal of 51032353103 is 30135323015.

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-51032353103 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 (51032355103) 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, 1109398958 + ... + 1109399003.

It is an arithmetic number, because the mean of its divisors is an integer number (13312787772).

Almost surely, 2^51032353103 is an apocalyptic number.

51032353103 is a deficient number, since it is larger than the sum of its proper divisors (2218797985).

51032353103 is a wasteful number, since it uses less digits than its factorization.

51032353103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218797984.

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 51032353103 its reverse (30135323015), we get a palindrome (81167676118).

The spelling of 51032353103 in words is "fifty-one billion, thirty-two million, three hundred fifty-three thousand, one hundred three".