5555555605646 has 8 divisors (see below), whose sum is σ = 8415841660344. Its totient is φ = 2750275052200.

The previous prime is 5555555605597. The next prime is 5555555605651. The reversal of 5555555605646 is 6465065555555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13751375060 + ... + 13751375463.

It is an arithmetic number, because the mean of its divisors is an integer number (1051980207543).

Almost surely, 2^{5555555605646} is an apocalyptic number.

5555555605646 is a deficient number, since it is larger than the sum of its proper divisors (2860286054698).

5555555605646 is a wasteful number, since it uses less digits than its factorization.

5555555605646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27502750626.

The product of its (nonzero) digits is 337500000, while the sum is 62.

The spelling of 5555555605646 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, six hundred five thousand, six hundred forty-six".