550551342 has 64 divisors (see below), whose sum is σ = 1243807488. Its totient is φ = 160992000.

The previous prime is 550551319. The next prime is 550551349. The reversal of 550551342 is 243155055.

It is a happy number.

550551342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550551349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319042 + ... + 320762.

It is an arithmetic number, because the mean of its divisors is an integer number (19434492).

Almost surely, 2^550551342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550551342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621903744).

550551342 is an abundant number, since it is smaller than the sum of its proper divisors (693256146).

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

550551342 is a wasteful number, since it uses less digits than its factorization.

550551342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 550551342 is about 23463.8305056954. The cubic root of 550551342 is about 819.5949526426.

The spelling of 550551342 in words is "five hundred fifty million, five hundred fifty-one thousand, three hundred forty-two".