50521350103 has 4 divisors (see below), whose sum is σ = 57738685840. Its totient is φ = 43304014368.

The previous prime is 50521350059. The next prime is 50521350107. The reversal of 50521350103 is 30105312505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30105312505 = 5 ⋅6021062501.

It is a cyclic number.

It is not a de Polignac number, because 50521350103 - 2²⁵ = 50487795671 is a prime.

It is a super-2 number, since 2×50521350103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50521350107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3608667858 + ... + 3608667871.

It is an arithmetic number, because the mean of its divisors is an integer number (14434671460).

Almost surely, 2^50521350103 is an apocalyptic number.

50521350103 is a deficient number, since it is larger than the sum of its proper divisors (7217335737).

50521350103 is an equidigital number, since it uses as much as digits as its factorization.

50521350103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217335736.

The product of its (nonzero) digits is 2250, while the sum is 25.

Adding to 50521350103 its reverse (30105312505), we get a palindrome (80626662608).

The spelling of 50521350103 in words is "fifty billion, five hundred twenty-one million, three hundred fifty thousand, one hundred three".