550489803 has 32 divisors (see below), whose sum is σ = 788520960. Its totient is φ = 340959360.

The previous prime is 550489799. The next prime is 550489813. The reversal of 550489803 is 308984055.

It is not a de Polignac number, because 550489803 - 2² = 550489799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550489813) 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 31 ways as a sum of consecutive naturals, for example, 248326 + ... + 250532.

It is an arithmetic number, because the mean of its divisors is an integer number (24641280).

Almost surely, 2^550489803 is an apocalyptic number.

550489803 is a deficient number, since it is larger than the sum of its proper divisors (238031157).

550489803 is a wasteful number, since it uses less digits than its factorization.

550489803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 550489803 is about 23462.5191102746. The cubic root of 550489803 is about 819.5644142051.

The spelling of 550489803 in words is "five hundred fifty million, four hundred eighty-nine thousand, eight hundred three".