50511555055 has 16 divisors (see below), whose sum is σ = 65454367104. Its totient is φ = 37199185920.

The previous prime is 50511555053. The next prime is 50511555071. The reversal of 50511555055 is 55055511505.

It is not a de Polignac number, because 50511555055 - 2¹ = 50511555053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50511555053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034866 + ... + 1082575.

It is an arithmetic number, because the mean of its divisors is an integer number (4090897944).

Almost surely, 2^50511555055 is an apocalyptic number.

50511555055 is a deficient number, since it is larger than the sum of its proper divisors (14942812049).

50511555055 is a wasteful number, since it uses less digits than its factorization.

50511555055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117826.

The product of its (nonzero) digits is 78125, while the sum is 37.

The spelling of 50511555055 in words is "fifty billion, five hundred eleven million, five hundred fifty-five thousand, fifty-five".