50105010491 has 16 divisors (see below), whose sum is σ = 55118389248. Its totient is φ = 45393664800.

The previous prime is 50105010467. The next prime is 50105010509. The reversal of 50105010491 is 19401050105.

It is not a de Polignac number, because 50105010491 - 2¹⁰ = 50105009467 is a prime.

It is a super-2 number, since 2×50105010491² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50105010491.

It is not an unprimeable number, because it can be changed into a prime (50105010451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714080 + ... + 781101.

It is an arithmetic number, because the mean of its divisors is an integer number (3444899328).

Almost surely, 2^50105010491 is an apocalyptic number.

50105010491 is a deficient number, since it is larger than the sum of its proper divisors (5013378757).

50105010491 is a wasteful number, since it uses less digits than its factorization.

50105010491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495282.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 50105010491 its reverse (19401050105), we get a palindrome (69506060596).

The spelling of 50105010491 in words is "fifty billion, one hundred five million, ten thousand, four hundred ninety-one".