505500005004 has 48 divisors (see below), whose sum is σ = 1248933224448. Its totient is φ = 158581778688.

The previous prime is 505500004957. The next prime is 505500005027. The reversal of 505500005004 is 400500005505.

505500005004 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 8584149 + ... + 8642835.

It is an arithmetic number, because the mean of its divisors is an integer number (26019442176).

Almost surely, 2^505500005004 is an apocalyptic number.

It is an amenable number.

505500005004 is an abundant number, since it is smaller than the sum of its proper divisors (743433219444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505500005004 is a wasteful number, since it uses less digits than its factorization.

505500005004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100934 (or 100932 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The spelling of 505500005004 in words is "five hundred five billion, five hundred million, five thousand, four".