505505500060 has 48 divisors (see below), whose sum is σ = 1198000510560. Its totient is φ = 177481552640.

The previous prime is 505505500057. The next prime is 505505500061. The reversal of 505505500060 is 60005505505.

It is a junction number, because it is equal to n+sod(n) for n = 505505499995 and 505505500031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505505500061) by changing a digit.

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, 39610039 + ... + 39622798.

It is an arithmetic number, because the mean of its divisors is an integer number (24958343970).

Almost surely, 2^505505500060 is an apocalyptic number.

It is an amenable number.

505505500060 is an abundant number, since it is smaller than the sum of its proper divisors (692495010500).

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

505505500060 is a wasteful number, since it uses less digits than its factorization.

505505500060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79232886 (or 79232884 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 505505500060 in words is "five hundred five billion, five hundred five million, five hundred thousand, sixty".