50605500091 has 8 divisors (see below), whose sum is σ = 53601807024. Its totient is φ = 47611361280.

The previous prime is 50605500083. The next prime is 50605500137. The reversal of 50605500091 is 19000550605.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50605500091 - 2³ = 50605500083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50605500031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493845 + ... + 587446.

It is an arithmetic number, because the mean of its divisors is an integer number (6700225878).

Almost surely, 2^50605500091 is an apocalyptic number.

50605500091 is a deficient number, since it is larger than the sum of its proper divisors (2996306933).

50605500091 is a wasteful number, since it uses less digits than its factorization.

50605500091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084061.

The product of its (nonzero) digits is 6750, while the sum is 31.

The spelling of 50605500091 in words is "fifty billion, six hundred five million, five hundred thousand, ninety-one".