550404042 has 32 divisors (see below), whose sum is σ = 1140023808. Its totient is φ = 177035376.

The previous prime is 550404011. The next prime is 550404059. The reversal of 550404042 is 240404055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8563 + ... + 34265.

It is an arithmetic number, because the mean of its divisors is an integer number (35625744).

Almost surely, 2^550404042 is an apocalyptic number.

550404042 is an abundant number, since it is smaller than the sum of its proper divisors (589619766).

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

550404042 is a wasteful number, since it uses less digits than its factorization.

550404042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25834.

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

The square root of 550404042 is about 23460.6914220361. The cubic root of 550404042 is about 819.5218519187.

Adding to 550404042 its reverse (240404055), we get a palindrome (790808097).

The spelling of 550404042 in words is "five hundred fifty million, four hundred four thousand, forty-two".