505500005028 has 48 divisors (see below), whose sum is σ = 1182880165824. Its totient is φ = 168017773440.

The previous prime is 505500005027. The next prime is 505500005029. The reversal of 505500005028 is 820500005505.

It is an interprime number because it is at equal distance from previous prime (505500005027) and next prime (505500005029).

It is a junction number, because it is equal to n+sod(n) for n = 505500004986 and 505500005004.

It is not an unprimeable number, because it can be changed into a prime (505500005027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6289818 + ... + 6369678.

It is an arithmetic number, because the mean of its divisors is an integer number (24643336788).

Almost surely, 2^505500005028 is an apocalyptic number.

It is an amenable number.

505500005028 is an abundant number, since it is smaller than the sum of its proper divisors (677380160796).

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

505500005028 is a wasteful number, since it uses less digits than its factorization.

505500005028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81372 (or 81370 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 505500005028 in words is "five hundred five billion, five hundred million, five thousand, twenty-eight".