50500005491 has 16 divisors (see below), whose sum is σ = 55933180128. Its totient is φ = 45297120000.

The previous prime is 50500005421. The next prime is 50500005497. The reversal of 50500005491 is 19450000505.

50500005491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 50500005491 - 2¹⁴ = 50499989107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50500005497) 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, 54956 + ... + 322521.

It is an arithmetic number, because the mean of its divisors is an integer number (3495823758).

Almost surely, 2^50500005491 is an apocalyptic number.

50500005491 is a deficient number, since it is larger than the sum of its proper divisors (5433174637).

50500005491 is a wasteful number, since it uses less digits than its factorization.

50500005491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377782.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 50500005491 its reverse (19450000505), we get a palindrome (69950005996).

The spelling of 50500005491 in words is "fifty billion, five hundred million, five thousand, four hundred ninety-one".