550055511100 has 18 divisors (see below), whose sum is σ = 1193620459304. Its totient is φ = 220022204400.

The previous prime is 550055511067. The next prime is 550055511119. The reversal of 550055511100 is 1115550055.

It is a super-2 number, since 2×550055511100² (a number of 24 digits) contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2750277456 + ... + 2750277655.

Almost surely, 2^550055511100 is an apocalyptic number.

550055511100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550055511100 is an abundant number, since it is smaller than the sum of its proper divisors (643564948204).

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

550055511100 is a wasteful number, since it uses less digits than its factorization.

550055511100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500555125 (or 5500555118 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 550055511100 in words is "five hundred fifty billion, fifty-five million, five hundred eleven thousand, one hundred".