50552000091 has 6 divisors (see below), whose sum is σ = 73019555700. Its totient is φ = 33701333388.

The previous prime is 50552000069. The next prime is 50552000117. The reversal of 50552000091 is 19000025505.

50552000091 is a `hidden beast` number, since 50 + 5 + 520 + 0 + 0 + 0 + 91 = 666.

50552000091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50552000091 - 2¹⁸ = 50551737947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50552000011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2808444441 + ... + 2808444458.

It is an arithmetic number, because the mean of its divisors is an integer number (12169925950).

Almost surely, 2^50552000091 is an apocalyptic number.

50552000091 is a deficient number, since it is larger than the sum of its proper divisors (22467555609).

50552000091 is a wasteful number, since it uses less digits than its factorization.

50552000091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616888905 (or 5616888902 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

Adding to 50552000091 its reverse (19000025505), we get a palindrome (69552025596).

The spelling of 50552000091 in words is "fifty billion, five hundred fifty-two million, ninety-one", and thus it is an aban number.