50055005505555 has 12 divisors (see below), whose sum is σ = 86762009543040. Its totient is φ = 26696002936272.

The previous prime is 50055005505551. The next prime is 50055005505581. The reversal of 50055005505555 is 55550550055005.

It is not a de Polignac number, because 50055005505555 - 2² = 50055005505551 is a prime.

It is a super-2 number, since 2×50055005505555² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1112333455679 = 50055005505555 / (5 + 0 + 0 + 5 + 5 + 0 + 0 + 5 + 5 + 0 + 5 + 5 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 50055005505555.

It is not an unprimeable number, because it can be changed into a prime (50055005505551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556166727795 + ... + 556166727884.

It is an arithmetic number, because the mean of its divisors is an integer number (7230167461920).

Almost surely, 2^{50055005505555} is an apocalyptic number.

50055005505555 is a deficient number, since it is larger than the sum of its proper divisors (36707004037485).

50055005505555 is a wasteful number, since it uses less digits than its factorization.

50055005505555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112333455690 (or 1112333455687 counting only the distinct ones).

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

The spelling of 50055005505555 in words is "fifty trillion, fifty-five billion, five million, five hundred five thousand, five hundred fifty-five".