55605555605604 has 48 divisors (see below), whose sum is σ = 132616586188800. Its totient is φ = 18129529275936.

The previous prime is 55605555605569. The next prime is 55605555605647. The reversal of 55605555605604 is 40650655550655.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273990384 + ... + 274193255.

It is an arithmetic number, because the mean of its divisors is an integer number (2762845545600).

Almost surely, 2^{55605555605604} is an apocalyptic number.

It is an amenable number.

55605555605604 is an abundant number, since it is smaller than the sum of its proper divisors (77011030583196).

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

55605555605604 is a wasteful number, since it uses less digits than its factorization.

55605555605604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548183832 (or 548183830 counting only the distinct ones).

The product of its (nonzero) digits is 67500000, while the sum is 57.

The spelling of 55605555605604 in words is "fifty-five trillion, six hundred five billion, five hundred fifty-five million, six hundred five thousand, six hundred four".