550055102503 has 16 divisors (see below), whose sum is σ = 559632602880. Its totient is φ = 540569044224.

The previous prime is 550055102357. The next prime is 550055102539. The reversal of 550055102503 is 305201550055.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 550055102503 - 2¹³ = 550055094311 is a prime.

It is a super-3 number, since 3×550055102503³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550055102573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11442903 + ... + 11490871.

It is an arithmetic number, because the mean of its divisors is an integer number (34977037680).

Almost surely, 2^550055102503 is an apocalyptic number.

550055102503 is a deficient number, since it is larger than the sum of its proper divisors (9577500377).

550055102503 is a wasteful number, since it uses less digits than its factorization.

550055102503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48918.

The product of its (nonzero) digits is 18750, while the sum is 31.

Adding to 550055102503 its reverse (305201550055), we get a palindrome (855256652558).

The spelling of 550055102503 in words is "five hundred fifty billion, fifty-five million, one hundred two thousand, five hundred three".