550457503 has 4 divisors (see below), whose sum is σ = 552194280. Its totient is φ = 548720728.

The previous prime is 550457471. The next prime is 550457549. The reversal of 550457503 is 305754055.

550457503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 550457503 - 2⁵ = 550457471 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 (550457563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867913 + ... + 868546.

It is an arithmetic number, because the mean of its divisors is an integer number (138048570).

Almost surely, 2^550457503 is an apocalyptic number.

550457503 is a deficient number, since it is larger than the sum of its proper divisors (1736777).

550457503 is a wasteful number, since it uses less digits than its factorization.

550457503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736776.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 550457503 is about 23461.8307682926. The cubic root of 550457503 is about 819.5483845722.

The spelling of 550457503 in words is "five hundred fifty million, four hundred fifty-seven thousand, five hundred three".