550500500500 has 24 divisors (see below), whose sum is σ = 1202293094184. Its totient is φ = 220200200000.

The previous prime is 550500500489. The next prime is 550500500521. The reversal of 550500500500 is 5005005055.

It can be written as a sum of positive squares in 4 ways, for example, as 14307508996 + 536192991504 = 119614^2 + 732252^2 .

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550500001 + ... + 550501000.

It is an arithmetic number, because the mean of its divisors is an integer number (50095545591).

Almost surely, 2^550500500500 is an apocalyptic number.

550500500500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550500500500 is an abundant number, since it is smaller than the sum of its proper divisors (651792593684).

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

550500500500 is a wasteful number, since it uses less digits than its factorization.

550500500500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101001020 (or 1101001008 counting only the distinct ones).

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

Adding to 550500500500 its reverse (5005005055), we get a palindrome (555505505555).

It can be divided in two parts, 5 and 50500500500, that added together give a palindrome (50500500505).

The spelling of 550500500500 in words is "five hundred fifty billion, five hundred million, five hundred thousand, five hundred".