50520251323 has 4 divisors (see below), whose sum is σ = 50521673160. Its totient is φ = 50518829488.

The previous prime is 50520251281. The next prime is 50520251377. The reversal of 50520251323 is 32315202505.

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

It is a cyclic number.

It is not a de Polignac number, because 50520251323 - 2¹³ = 50520243131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50520251291 and 50520251300.

It is not an unprimeable number, because it can be changed into a prime (50520255323) 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, 656218 + ... + 729151.

It is an arithmetic number, because the mean of its divisors is an integer number (12630418290).

Almost surely, 2^50520251323 is an apocalyptic number.

50520251323 is a deficient number, since it is larger than the sum of its proper divisors (1421837).

50520251323 is a wasteful number, since it uses less digits than its factorization.

50520251323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421836.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 50520251323 its reverse (32315202505), we get a palindrome (82835453828).

The spelling of 50520251323 in words is "fifty billion, five hundred twenty million, two hundred fifty-one thousand, three hundred twenty-three".