550101005503 has 8 divisors (see below), whose sum is σ = 628708727808. Its totient is φ = 471498749304.

The previous prime is 550101005479. The next prime is 550101005507. The reversal of 550101005503 is 305500101055.

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

It is a cyclic number.

It is not a de Polignac number, because 550101005503 - 2³³ = 541511070911 is a prime.

It is a super-2 number, since 2×550101005503² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550101005507) 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 7 ways as a sum of consecutive naturals, for example, 1148551 + ... + 1555432.

It is an arithmetic number, because the mean of its divisors is an integer number (78588590976).

Almost surely, 2^550101005503 is an apocalyptic number.

550101005503 is a deficient number, since it is larger than the sum of its proper divisors (78607722305).

550101005503 is a wasteful number, since it uses less digits than its factorization.

550101005503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733053.

The product of its (nonzero) digits is 1875, while the sum is 25.

Adding to 550101005503 its reverse (305500101055), we get a palindrome (855601106558).

The spelling of 550101005503 in words is "five hundred fifty billion, one hundred one million, five thousand, five hundred three".