550451500503 has 8 divisors (see below), whose sum is σ = 733951881600. Its totient is φ = 366959393208.

The previous prime is 550451500463. The next prime is 550451500519. The reversal of 550451500503 is 305005154055.

550451500503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550451500503 - 2¹⁷ = 550451369431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550451500553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1911513 + ... + 2180546.

It is an arithmetic number, because the mean of its divisors is an integer number (91743985200).

Almost surely, 2^550451500503 is an apocalyptic number.

550451500503 is a deficient number, since it is larger than the sum of its proper divisors (183500381097).

550451500503 is a wasteful number, since it uses less digits than its factorization.

550451500503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136901.

The product of its (nonzero) digits is 37500, while the sum is 33.

Adding to 550451500503 its reverse (305005154055), we get a palindrome (855456654558).

The spelling of 550451500503 in words is "five hundred fifty billion, four hundred fifty-one million, five hundred thousand, five hundred three".