50511055555 has 8 divisors (see below), whose sum is σ = 60877954800. Its totient is φ = 40232385696.

The previous prime is 50511055547. The next prime is 50511055591. The reversal of 50511055555 is 55555011505.

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 50511055555 - 2³ = 50511055547 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22056085 + ... + 22058374.

It is an arithmetic number, because the mean of its divisors is an integer number (7609744350).

Almost surely, 2^50511055555 is an apocalyptic number.

50511055555 is a deficient number, since it is larger than the sum of its proper divisors (10366899245).

50511055555 is a wasteful number, since it uses less digits than its factorization.

50511055555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44114693.

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

The spelling of 50511055555 in words is "fifty billion, five hundred eleven million, fifty-five thousand, five hundred fifty-five".