505105610055 has 16 divisors (see below), whose sum is σ = 808180638720. Its totient is φ = 269385771168.

The previous prime is 505105610047. The next prime is 505105610077. The reversal of 505105610055 is 550016501505.

It is not a de Polignac number, because 505105610055 - 2³ = 505105610047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505105609998 and 505105610025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054674 + ... + 1456896.

It is an arithmetic number, because the mean of its divisors is an integer number (50511289920).

Almost surely, 2^505105610055 is an apocalyptic number.

505105610055 is a deficient number, since it is larger than the sum of its proper divisors (303075028665).

505105610055 is a wasteful number, since it uses less digits than its factorization.

505105610055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485950.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 505105610055 in words is "five hundred five billion, one hundred five million, six hundred ten thousand, fifty-five".