605555005550 has 96 divisors (see below), whose sum is σ = 1246624210944. Its totient is φ = 217017360000.

The previous prime is 605555005519. The next prime is 605555005619. The reversal of 605555005550 is 55500555506.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 605555005498 and 605555005507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10518644 + ... + 10576056.

It is an arithmetic number, because the mean of its divisors is an integer number (12985668864).

Almost surely, 2^605555005550 is an apocalyptic number.

605555005550 is an abundant number, since it is smaller than the sum of its proper divisors (641069205394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605555005550 is a wasteful number, since it uses less digits than its factorization.

605555005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57714 (or 57709 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 41.

The spelling of 605555005550 in words is "six hundred five billion, five hundred fifty-five million, five thousand, five hundred fifty".