550642603 has 16 divisors (see below), whose sum is σ = 636672960. Its totient is φ = 466477056.

The previous prime is 550642567. The next prime is 550642613. The reversal of 550642603 is 306246055.

It is a cyclic number.

It is not a de Polignac number, because 550642603 - 2⁹ = 550642091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550642613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451851 + ... + 453067.

It is an arithmetic number, because the mean of its divisors is an integer number (39792060).

Almost surely, 2^550642603 is an apocalyptic number.

550642603 is a deficient number, since it is larger than the sum of its proper divisors (86030357).

550642603 is a wasteful number, since it uses less digits than its factorization.

550642603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 550642603 is about 23465.7751416824. The cubic root of 550642603 is about 819.6402362924.

Adding to 550642603 its reverse (306246055), we get a palindrome (856888658).

The spelling of 550642603 in words is "five hundred fifty million, six hundred forty-two thousand, six hundred three".