550044402 has 16 divisors (see below), whose sum is σ = 1147919040. Its totient is φ = 175376432.

The previous prime is 550044371. The next prime is 550044409. The reversal of 550044402 is 204440055.

It is not an unprimeable number, because it can be changed into a prime (550044409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1992777 + ... + 1993052.

It is an arithmetic number, because the mean of its divisors is an integer number (71744940).

Almost surely, 2^550044402 is an apocalyptic number.

550044402 is an abundant number, since it is smaller than the sum of its proper divisors (597874638).

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

550044402 is a wasteful number, since it uses less digits than its factorization.

550044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985857.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 550044402 is about 23453.0254338326. The cubic root of 550044402 is about 819.3433181910.

Adding to 550044402 its reverse (204440055), we get a palindrome (754484457).

The spelling of 550044402 in words is "five hundred fifty million, forty-four thousand, four hundred two".