50555005505555 has 4 divisors (see below), whose sum is σ = 60666006606672. Its totient is φ = 40444004404440.

The previous prime is 50555005505551. The next prime is 50555005505561. The reversal of 50555005505555 is 55550550055505.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50555005505555 - 2² = 50555005505551 is a prime.

It is a super-2 number, since 2×50555005505555² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50555005505551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055500550551 + ... + 5055500550560.

It is an arithmetic number, because the mean of its divisors is an integer number (15166501651668).

Almost surely, 2^{50555005505555} is an apocalyptic number.

50555005505555 is a deficient number, since it is larger than the sum of its proper divisors (10111001101117).

50555005505555 is a wasteful number, since it uses less digits than its factorization.

50555005505555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111001101116.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 50555005505555 in words is "fifty trillion, five hundred fifty-five billion, five million, five hundred five thousand, five hundred fifty-five".