5605555500550 has 12 divisors (see below), whose sum is σ = 10426333231116. Its totient is φ = 2242222200200.

The previous prime is 5605555500529. The next prime is 5605555500551. The reversal of 5605555500550 is 550055555065.

It is a happy number.

It is a super-2 number, since 2×5605555500550² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5605555500550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5605555500551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56055554956 + ... + 56055555055.

It is an arithmetic number, because the mean of its divisors is an integer number (868861102593).

Almost surely, 2^{5605555500550} is an apocalyptic number.

5605555500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5605555500550 is a deficient number, since it is larger than the sum of its proper divisors (4820777730566).

5605555500550 is a wasteful number, since it uses less digits than its factorization.

5605555500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112111110023 (or 112111110018 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 46.

The spelling of 5605555500550 in words is "five trillion, six hundred five billion, five hundred fifty-five million, five hundred thousand, five hundred fifty".