550516503 has 4 divisors (see below), whose sum is σ = 734022008. Its totient is φ = 367011000.

The previous prime is 550516501. The next prime is 550516537. The reversal of 550516503 is 305615055.

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

It is not a de Polignac number, because 550516503 - 2¹ = 550516501 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 (550516501) 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 3 ways as a sum of consecutive naturals, for example, 91752748 + ... + 91752753.

It is an arithmetic number, because the mean of its divisors is an integer number (183505502).

Almost surely, 2^550516503 is an apocalyptic number.

550516503 is a deficient number, since it is larger than the sum of its proper divisors (183505505).

550516503 is a wasteful number, since it uses less digits than its factorization.

550516503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183505504.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 550516503 is about 23463.0880959860. The cubic root of 550516503 is about 819.5776642332.

The spelling of 550516503 in words is "five hundred fifty million, five hundred sixteen thousand, five hundred three".