550555000100 has 36 divisors (see below), whose sum is σ = 1365376401984. Its totient is φ = 188761714080.

The previous prime is 550555000087. The next prime is 550555000117. The reversal of 550555000100 is 1000555055.

It is a super-2 number, since 2×550555000100² (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 550555000100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393252872 + ... + 393254271.

Almost surely, 2^550555000100 is an apocalyptic number.

550555000100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550555000100 is an abundant number, since it is smaller than the sum of its proper divisors (814821401884).

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

550555000100 is a wasteful number, since it uses less digits than its factorization.

550555000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786507164 (or 786507157 counting only the distinct ones).

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

Adding to 550555000100 its reverse (1000555055), we get a palindrome (551555555155).

The spelling of 550555000100 in words is "five hundred fifty billion, five hundred fifty-five million, one hundred", and thus it is an aban number.