506055055091 has 4 divisors (see below), whose sum is σ = 506980201992. Its totient is φ = 505129908192.

The previous prime is 506055055063. The next prime is 506055055109. The reversal of 506055055091 is 190550550605.

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 506055055091 - 2⁶ = 506055055027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506055015091) 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, 462572630 + ... + 462573723.

It is an arithmetic number, because the mean of its divisors is an integer number (126745050498).

Almost surely, 2^506055055091 is an apocalyptic number.

506055055091 is a deficient number, since it is larger than the sum of its proper divisors (925146901).

506055055091 is an equidigital number, since it uses as much as digits as its factorization.

506055055091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925146900.

The product of its (nonzero) digits is 168750, while the sum is 41.

The spelling of 506055055091 in words is "five hundred six billion, fifty-five million, fifty-five thousand, ninety-one".