550050105500 has 48 divisors (see below), whose sum is σ = 1372925072064. Its totient is φ = 188588606400.

The previous prime is 550050105463. The next prime is 550050105523. The reversal of 550050105500 is 5501050055.

It is a super-2 number, since 2×550050105500² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550050105500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78575087 + ... + 78582086.

It is an arithmetic number, because the mean of its divisors is an integer number (28602605668).

Almost surely, 2^550050105500 is an apocalyptic number.

550050105500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550050105500 is an abundant number, since it is smaller than the sum of its proper divisors (822874966564).

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

550050105500 is a wasteful number, since it uses less digits than its factorization.

550050105500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157157199 (or 157157187 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 26.

Adding to 550050105500 its reverse (5501050055), we get a palindrome (555551155555).

The spelling of 550050105500 in words is "five hundred fifty billion, fifty million, one hundred five thousand, five hundred".