550555042050 has 144 divisors (see below), whose sum is σ = 1595412262080. Its totient is φ = 135310849920.

The previous prime is 550555042027. The next prime is 550555042061. The reversal of 550555042050 is 50240555055.

550555042050 is a `hidden beast` number, since 5 + 50 + 5 + 550 + 4 + 2 + 0 + 50 = 666.

It is a super-2 number, since 2×550555042050² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 550555041996 and 550555042014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3712221 + ... + 3857679.

It is an arithmetic number, because the mean of its divisors is an integer number (11079251820).

Almost surely, 2^550555042050 is an apocalyptic number.

550555042050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 550555042050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797706131040).

550555042050 is an abundant number, since it is smaller than the sum of its proper divisors (1044857220030).

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

550555042050 is a wasteful number, since it uses less digits than its factorization.

550555042050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146137 (or 146129 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 36.

The spelling of 550555042050 in words is "five hundred fifty billion, five hundred fifty-five million, forty-two thousand, fifty".