505560605055 has 64 divisors (see below), whose sum is σ = 889764825600. Its totient is φ = 243088934400.

The previous prime is 505560605029. The next prime is 505560605063. The reversal of 505560605055 is 550506065505.

It is not a de Polignac number, because 505560605055 - 2¹⁷ = 505560473983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505560604998 and 505560605016.

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 63 ways as a sum of consecutive naturals, for example, 15792165 + ... + 15824145.

It is an arithmetic number, because the mean of its divisors is an integer number (13902575400).

Almost surely, 2^505560605055 is an apocalyptic number.

505560605055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

505560605055 is a deficient number, since it is larger than the sum of its proper divisors (384204220545).

505560605055 is a wasteful number, since it uses less digits than its factorization.

505560605055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32792.

The product of its (nonzero) digits is 562500, while the sum is 42.

The spelling of 505560605055 in words is "five hundred five billion, five hundred sixty million, six hundred five thousand, fifty-five".