550056018 has 16 divisors (see below), whose sum is σ = 1100342880. Its totient is φ = 183313536.

The previous prime is 550055977. The next prime is 550056019. The reversal of 550056018 is 810650055.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550056019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46978 + ... + 57506.

It is an arithmetic number, because the mean of its divisors is an integer number (68771430).

Almost surely, 2^550056018 is an apocalyptic number.

550056018 is an abundant number, since it is smaller than the sum of its proper divisors (550286862).

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

550056018 is a wasteful number, since it uses less digits than its factorization.

550056018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19241.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 550056018 is about 23453.2730764812. The cubic root of 550056018 is about 819.3490858617.

The spelling of 550056018 in words is "five hundred fifty million, fifty-six thousand, eighteen".