505045505500 has 48 divisors (see below), whose sum is σ = 1138600689408. Its totient is φ = 195501480000.

The previous prime is 505045505483. The next prime is 505045505507. The reversal of 505045505500 is 5505540505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505045505507) 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, 16276291 + ... + 16307290.

It is an arithmetic number, because the mean of its divisors is an integer number (23720847696).

Almost surely, 2^505045505500 is an apocalyptic number.

505045505500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505045505500 is an abundant number, since it is smaller than the sum of its proper divisors (633555183908).

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

505045505500 is a wasteful number, since it uses less digits than its factorization.

505045505500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32583631 (or 32583619 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 505045505500 in words is "five hundred five billion, forty-five million, five hundred five thousand, five hundred".