500455004550 has 48 divisors (see below), whose sum is σ = 1252111890960. Its totient is φ = 132273648640.

The previous prime is 500455004537. The next prime is 500455004551. The reversal of 500455004550 is 55400554005.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500455004551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14745735 + ... + 14779634.

It is an arithmetic number, because the mean of its divisors is an integer number (26085664395).

Almost surely, 2^500455004550 is an apocalyptic number.

500455004550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500455004550 is an abundant number, since it is smaller than the sum of its proper divisors (751656886410).

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

500455004550 is a wasteful number, since it uses less digits than its factorization.

500455004550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29525497 (or 29525492 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 33.

Adding to 500455004550 its reverse (55400554005), we get a palindrome (555855558555).

The spelling of 500455004550 in words is "five hundred billion, four hundred fifty-five million, four thousand, five hundred fifty".