550211142 has 64 divisors (see below), whose sum is σ = 1241856000. Its totient is φ = 161336448.

The previous prime is 550211111. The next prime is 550211153. The reversal of 550211142 is 241112055.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 177159 + ... + 180237.

It is an arithmetic number, because the mean of its divisors is an integer number (19404000).

Almost surely, 2^550211142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550211142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620928000).

550211142 is an abundant number, since it is smaller than the sum of its proper divisors (691644858).

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

550211142 is a wasteful number, since it uses less digits than its factorization.

550211142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 550211142 is about 23456.5799297340. The cubic root of 550211142 is about 819.4261015094.

Adding to 550211142 its reverse (241112055), we get a palindrome (791323197).

The spelling of 550211142 in words is "five hundred fifty million, two hundred eleven thousand, one hundred forty-two".