5550505559501 has 4 divisors (see below), whose sum is σ = 6343434925152. Its totient is φ = 4757576193852.

The previous prime is 5550505559491. The next prime is 5550505559519. The reversal of 5550505559501 is 1059555050555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5550505559501 - 2¹⁸ = 5550505297357 is a prime.

It is a super-2 number, since 2×5550505559501² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5550505559501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550505559551) 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, 396464682815 + ... + 396464682828.

It is an arithmetic number, because the mean of its divisors is an integer number (1585858731288).

Almost surely, 2^{5550505559501} is an apocalyptic number.

It is an amenable number.

5550505559501 is a deficient number, since it is larger than the sum of its proper divisors (792929365651).

5550505559501 is an equidigital number, since it uses as much as digits as its factorization.

5550505559501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792929365650.

The product of its (nonzero) digits is 3515625, while the sum is 50.

The spelling of 5550505559501 in words is "five trillion, five hundred fifty billion, five hundred five million, five hundred fifty-nine thousand, five hundred one".