5500000050091 has 2 divisors, whose sum is σ = 5500000050092. Its totient is φ = 5500000050090.

The previous prime is 5500000050059. The next prime is 5500000050109. The reversal of 5500000050091 is 1900500000055.

Together with next prime (5500000050109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5500000050091 - 2⁵ = 5500000050059 is a prime.

It is not a weakly prime, because it can be changed into another prime (5500000050491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750000025045 + 2750000025046.

It is an arithmetic number, because the mean of its divisors is an integer number (2750000025046).

Almost surely, 2^{5500000050091} is an apocalyptic number.

5500000050091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5500000050091 is an equidigital number, since it uses as much as digits as its factorization.

5500000050091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 25.

The spelling of 5500000050091 in words is "five trillion, five hundred billion, fifty thousand, ninety-one".