50555550555 has 24 divisors (see below), whose sum is σ = 92784305952. Its totient is φ = 25376903424.

The previous prime is 50555550533. The next prime is 50555550557. The reversal of 50555550555 is 55505555505.

It is not a de Polignac number, because 50555550555 - 2¹⁵ = 50555517787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 50555550555.

It is not an unprimeable number, because it can be changed into a prime (50555550557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33042079 + ... + 33043608.

It is an arithmetic number, because the mean of its divisors is an integer number (3866012748).

Almost surely, 2^50555550555 is an apocalyptic number.

50555550555 is a deficient number, since it is larger than the sum of its proper divisors (42228755397).

50555550555 is a wasteful number, since it uses less digits than its factorization.

50555550555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66085715 (or 66085712 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 50555550555 in words is "fifty billion, five hundred fifty-five million, five hundred fifty thousand, five hundred fifty-five".