550105501100 has 36 divisors (see below), whose sum is σ = 1193763349464. Its totient is φ = 220035857280.

The previous prime is 550105501037. The next prime is 550105501111. The reversal of 550105501100 is 1105501055.

It is a happy number.

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, 5072039 + ... + 5179361.

Almost surely, 2^550105501100 is an apocalyptic number.

550105501100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550105501100 is an abundant number, since it is smaller than the sum of its proper divisors (643657848364).

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

550105501100 is a wasteful number, since it uses less digits than its factorization.

550105501100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158594 (or 158587 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 550105501100 in words is "five hundred fifty billion, one hundred five million, five hundred one thousand, one hundred".