550555050505 has 4 divisors (see below), whose sum is σ = 660666060612. Its totient is φ = 440444040400.

The previous prime is 550555050413. The next prime is 550555050527. The reversal of 550555050505 is 505050555055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 391670698896 + 158884351609 = 625836^2 + 398603^2 .

It is not a de Polignac number, because 550555050505 - 2¹¹ = 550555048457 is a prime.

It is a super-2 number, since 2×550555050505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55055505046 + ... + 55055505055.

It is an arithmetic number, because the mean of its divisors is an integer number (165166515153).

Almost surely, 2^550555050505 is an apocalyptic number.

It is an amenable number.

550555050505 is a deficient number, since it is larger than the sum of its proper divisors (110111010107).

550555050505 is a wasteful number, since it uses less digits than its factorization.

550555050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110111010106.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 550555050505 in words is "five hundred fifty billion, five hundred fifty-five million, fifty thousand, five hundred five".