550005055505 has 8 divisors (see below), whose sum is σ = 660011505000. Its totient is φ = 440000418816.

The previous prime is 550005055489. The next prime is 550005055507. The reversal of 550005055505 is 505550500055.

It can be written as a sum of positive squares in 4 ways, for example, as 37039696849 + 512965358656 = 192457^2 + 716216^2 .

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 550005055505 - 2⁴ = 550005055489 is a prime.

It is a super-2 number, since 2×550005055505² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550005055507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340721 + ... + 1102769.

It is an arithmetic number, because the mean of its divisors is an integer number (82501438125).

Almost surely, 2^550005055505 is an apocalyptic number.

It is an amenable number.

550005055505 is a deficient number, since it is larger than the sum of its proper divisors (110006449495).

550005055505 is a wasteful number, since it uses less digits than its factorization.

550005055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906403.

The product of its (nonzero) digits is 78125, while the sum is 35.

It can be divided in two parts, 5500050 and 55505, that added together give a palindrome (5555555).

The spelling of 550005055505 in words is "five hundred fifty billion, five million, fifty-five thousand, five hundred five".