550500555055 has 16 divisors (see below), whose sum is σ = 728752528800. Its totient is φ = 395865564160.

The previous prime is 550500555041. The next prime is 550500555061. The reversal of 550500555055 is 550555005055.

It is not a de Polignac number, because 550500555055 - 2²⁹ = 549963684143 is a prime.

It is a super-2 number, since 2×550500555055² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550500554999 and 550500555017.

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, 56226010 + ... + 56235799.

It is an arithmetic number, because the mean of its divisors is an integer number (45547033050).

Almost surely, 2^550500555055 is an apocalyptic number.

550500555055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550500555055 is a deficient number, since it is larger than the sum of its proper divisors (178251973745).

550500555055 is a wasteful number, since it uses less digits than its factorization.

550500555055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112461914.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 550500555055 in words is "five hundred fifty billion, five hundred million, five hundred fifty-five thousand, fifty-five".