55512444451205 has 64 divisors (see below), whose sum is σ = 83576192286720. Its totient is φ = 34539138201600.

The previous prime is 55512444451193. The next prime is 55512444451237. The reversal of 55512444451205 is 50215444421555.

It is not a de Polignac number, because 55512444451205 - 2¹⁰ = 55512444450181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55512444451205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11880851 + ... + 15880160.

It is an arithmetic number, because the mean of its divisors is an integer number (1305878004480).

Almost surely, 2^{55512444451205} is an apocalyptic number.

It is an amenable number.

55512444451205 is a deficient number, since it is larger than the sum of its proper divisors (28063747835515).

55512444451205 is a wasteful number, since it uses less digits than its factorization.

55512444451205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27761170.

The product of its (nonzero) digits is 3200000, while the sum is 47.

The spelling of 55512444451205 in words is "fifty-five trillion, five hundred twelve billion, four hundred forty-four million, four hundred fifty-one thousand, two hundred five".