550005041898 has 96 divisors (see below), whose sum is σ = 1311301555200. Its totient is φ = 165624316704.

The previous prime is 550005041881. The next prime is 550005041933. The reversal of 550005041898 is 898140500055.

It is a happy number.

550005041898 is a `hidden beast` number, since 5 + 50 + 0 + 0 + 504 + 1 + 8 + 98 = 666.

It is a super-2 number, since 2×550005041898² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24283263 + ... + 24305901.

It is an arithmetic number, because the mean of its divisors is an integer number (13659391200).

Almost surely, 2^550005041898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550005041898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655650777600).

550005041898 is an abundant number, since it is smaller than the sum of its proper divisors (761296513302).

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

550005041898 is a wasteful number, since it uses less digits than its factorization.

550005041898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22801 (or 22704 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The spelling of 550005041898 in words is "five hundred fifty billion, five million, forty-one thousand, eight hundred ninety-eight".