505550005055 has 64 divisors (see below), whose sum is σ = 641525512320. Its totient is φ = 381923942400.

The previous prime is 505550005039. The next prime is 505550005159. The reversal of 505550005055 is 550500055505.

It is not a de Polignac number, because 505550005055 - 2⁴ = 505550005039 is a prime.

It is a super-2 number, since 2×505550005055² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1096637525 + ... + 1096637985.

It is an arithmetic number, because the mean of its divisors is an integer number (10023836130).

Almost surely, 2^505550005055 is an apocalyptic number.

505550005055 is a deficient number, since it is larger than the sum of its proper divisors (135975507265).

505550005055 is a wasteful number, since it uses less digits than its factorization.

505550005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 505550005055 in words is "five hundred five billion, five hundred fifty million, five thousand, fifty-five".