505555005055 has 16 divisors (see below), whose sum is σ = 608113051200. Its totient is φ = 403479595008.

The previous prime is 505555005047. The next prime is 505555005073. The reversal of 505555005055 is 550500555505.

It is a cyclic number.

It is not a de Polignac number, because 505555005055 - 2³ = 505555005047 is a prime.

It is a super-2 number, since 2×505555005055² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505555004999 and 505555005017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18536809 + ... + 18564061.

It is an arithmetic number, because the mean of its divisors is an integer number (38007065700).

Almost surely, 2^505555005055 is an apocalyptic number.

505555005055 is a deficient number, since it is larger than the sum of its proper divisors (102558046145).

505555005055 is a wasteful number, since it uses less digits than its factorization.

505555005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35970.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 505555005055 in words is "five hundred five billion, five hundred fifty-five million, five thousand, fifty-five".