50505550555 has 16 divisors (see below), whose sum is σ = 60750446400. Its totient is φ = 40308682752.

The previous prime is 50505550531. The next prime is 50505550603. The reversal of 50505550555 is 55505550505.

It is a cyclic number.

It is not a de Polignac number, because 50505550555 - 2¹³ = 50505542363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4957627 + ... + 4967803.

It is an arithmetic number, because the mean of its divisors is an integer number (3796902900).

Almost surely, 2^50505550555 is an apocalyptic number.

50505550555 is a deficient number, since it is larger than the sum of its proper divisors (10244895845).

50505550555 is a wasteful number, since it uses less digits than its factorization.

50505550555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 50505550555 in words is "fifty billion, five hundred five million, five hundred fifty thousand, five hundred fifty-five".