550500500550 has 384 divisors, whose sum is σ = 1836322467840. Its totient is φ = 105402124800.

The previous prime is 550500500521. The next prime is 550500500569. The reversal of 550500500550 is 55005005055.

It is a super-2 number, since 2×550500500550² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 92939889 + ... + 92945811.

It is an arithmetic number, because the mean of its divisors is an integer number (4782089760).

Almost surely, 2^550500500550 is an apocalyptic number.

550500500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 550500500550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918161233920).

550500500550 is an abundant number, since it is smaller than the sum of its proper divisors (1285821967290).

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

550500500550 is a wasteful number, since it uses less digits than its factorization.

550500500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6588 (or 6583 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

It can be divided in two parts, 5505005005 and 50, that added together give a palindrome (5505005055).

The spelling of 550500500550 in words is "five hundred fifty billion, five hundred million, five hundred thousand, five hundred fifty".