500505000550 has 48 divisors (see below), whose sum is σ = 989450242560. Its totient is φ = 187823607840.

The previous prime is 500505000533. The next prime is 500505000571. The reversal of 500505000550 is 55000505005.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2459662 + ... + 2655361.

It is an arithmetic number, because the mean of its divisors is an integer number (20613546720).

Almost surely, 2^500505000550 is an apocalyptic number.

500505000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500505000550 is a deficient number, since it is larger than the sum of its proper divisors (488945242010).

500505000550 is a wasteful number, since it uses less digits than its factorization.

500505000550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115157 (or 5115152 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

Adding to 500505000550 its reverse (55000505005), we get a palindrome (555505505555).

The spelling of 500505000550 in words is "five hundred billion, five hundred five million, five hundred fifty", and thus it is an aban number.