550000550500 has 24 divisors (see below), whose sum is σ = 1201201203384. Its totient is φ = 220000220000.

The previous prime is 550000550497. The next prime is 550000550521. The reversal of 550000550500 is 5055000055.

It can be written as a sum of positive squares in 4 ways, for example, as 11893211136 + 538107339364 = 109056^2 + 733558^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550000051 + ... + 550001050.

It is an arithmetic number, because the mean of its divisors is an integer number (50050050141).

Almost surely, 2^550000550500 is an apocalyptic number.

550000550500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550000550500 is an abundant number, since it is smaller than the sum of its proper divisors (651200652884).

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

550000550500 is a wasteful number, since it uses less digits than its factorization.

550000550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100001120 (or 1100001108 counting only the distinct ones).

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

Adding to 550000550500 its reverse (5055000055), we get a palindrome (555055550555).

The spelling of 550000550500 in words is "five hundred fifty billion, five hundred fifty thousand, five hundred".