55555555605003 has 12 divisors (see below), whose sum is σ = 80247922396200. Its totient is φ = 37036571495616.

The previous prime is 55555555605001. The next prime is 55555555605031. The reversal of 55555555605003 is 30050655555555.

It is not a de Polignac number, because 55555555605003 - 2¹ = 55555555605001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55555555605001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38041353 + ... + 39474746.

It is an arithmetic number, because the mean of its divisors is an integer number (6687326866350).

Almost surely, 2^{55555555605003} is an apocalyptic number.

55555555605003 is a deficient number, since it is larger than the sum of its proper divisors (24692366791197).

55555555605003 is a wasteful number, since it uses less digits than its factorization.

55555555605003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77595738 (or 77595735 counting only the distinct ones).

The product of its (nonzero) digits is 35156250, while the sum is 54.

The spelling of 55555555605003 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred fifty-five million, six hundred five thousand, three".