55617284445 has 16 divisors (see below), whose sum is σ = 88991552832. Its totient is φ = 29661252480.

The previous prime is 55617284369. The next prime is 55617284497. The reversal of 55617284445 is 54448271655.

It is a de Polignac number, because none of the positive numbers 2^k-55617284445 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 344754 + ... + 479676.

It is an arithmetic number, because the mean of its divisors is an integer number (5561972052).

Almost surely, 2^55617284445 is an apocalyptic number.

It is an amenable number.

55617284445 is a deficient number, since it is larger than the sum of its proper divisors (33374268387).

55617284445 is a wasteful number, since it uses less digits than its factorization.

55617284445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162412.

The product of its digits is 5376000, while the sum is 51.

The spelling of 55617284445 in words is "fifty-five billion, six hundred seventeen million, two hundred eighty-four thousand, four hundred forty-five".