550011055550 has 96 divisors (see below), whose sum is σ = 1123208922528. Its totient is φ = 198720000000.

The previous prime is 550011055511. The next prime is 550011055553. The reversal of 550011055550 is 55550110055.

550011055550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×550011055550³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550011055553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61101050 + ... + 61110050.

It is an arithmetic number, because the mean of its divisors is an integer number (11700092943).

Almost surely, 2^550011055550 is an apocalyptic number.

550011055550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550011055550 is an abundant number, since it is smaller than the sum of its proper divisors (573197866978).

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

550011055550 is a wasteful number, since it uses less digits than its factorization.

550011055550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9726 (or 9721 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 550011055550 in words is "five hundred fifty billion, eleven million, fifty-five thousand, five hundred fifty".