55505050050091 has 32 divisors (see below), whose sum is σ = 62664481336320. Its totient is φ = 48852517824000.

The previous prime is 55505050050007. The next prime is 55505050050101. The reversal of 55505050050091 is 19005005050555.

It is a cyclic number.

It is not a de Polignac number, because 55505050050091 - 2¹¹ = 55505050048043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55505050050391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8228110 + ... + 13368316.

It is an arithmetic number, because the mean of its divisors is an integer number (1958265041760).

Almost surely, 2^{55505050050091} is an apocalyptic number.

55505050050091 is a deficient number, since it is larger than the sum of its proper divisors (7159431286229).

55505050050091 is a wasteful number, since it uses less digits than its factorization.

55505050050091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140675.

The product of its (nonzero) digits is 140625, while the sum is 40.

The spelling of 55505050050091 in words is "fifty-five trillion, five hundred five billion, fifty million, fifty thousand, ninety-one".