555555505055 has 8 divisors (see below), whose sum is σ = 673267266144. Its totient is φ = 440043964000.

The previous prime is 555555505051. The next prime is 555555505079. The reversal of 555555505055 is 550505555555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 555555505055 - 2² = 555555505051 is a prime.

It is a super-2 number, since 2×555555505055² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 555555504994 and 555555505012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555555505051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550054451 + ... + 550055460.

It is an arithmetic number, because the mean of its divisors is an integer number (84158408268).

Almost surely, 2^555555505055 is an apocalyptic number.

555555505055 is a deficient number, since it is larger than the sum of its proper divisors (117711761089).

555555505055 is a wasteful number, since it uses less digits than its factorization.

555555505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100110017.

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

The spelling of 555555505055 in words is "five hundred fifty-five billion, five hundred fifty-five million, five hundred five thousand, fifty-five".