550081338 has 64 divisors (see below), whose sum is σ = 1181174400. Its totient is φ = 170455040.

The previous prime is 550081333. The next prime is 550081339. The reversal of 550081338 is 833180055.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 550081299 and 550081308.

It is not an unprimeable number, because it can be changed into a prime (550081333) by changing a digit.

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, 591658 + ... + 592586.

It is an arithmetic number, because the mean of its divisors is an integer number (18455850).

Almost surely, 2^550081338 is an apocalyptic number.

550081338 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

550081338 is an abundant number, since it is smaller than the sum of its proper divisors (631093062).

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

550081338 is a wasteful number, since it uses less digits than its factorization.

550081338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 550081338 is about 23453.8128669946. The cubic root of 550081338 is about 819.3616576725.

The spelling of 550081338 in words is "five hundred fifty million, eighty-one thousand, three hundred thirty-eight".