550418863 has 4 divisors (see below), whose sum is σ = 550501480. Its totient is φ = 550336248.

The previous prime is 550418861. The next prime is 550418867. The reversal of 550418863 is 368814055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550418863 - 2¹ = 550418861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550418861) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30345 + ... + 44962.

It is an arithmetic number, because the mean of its divisors is an integer number (137625370).

Almost surely, 2^550418863 is an apocalyptic number.

550418863 is a deficient number, since it is larger than the sum of its proper divisors (82617).

550418863 is an equidigital number, since it uses as much as digits as its factorization.

550418863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82616.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 550418863 is about 23461.0072886907. The cubic root of 550418863 is about 819.5292077418.

The spelling of 550418863 in words is "five hundred fifty million, four hundred eighteen thousand, eight hundred sixty-three".