55546042444 has 12 divisors (see below), whose sum is σ = 98114038344. Its totient is φ = 27513460064.

The previous prime is 55546042439. The next prime is 55546042459. The reversal of 55546042444 is 44424064555.

It is a self number, because there is not a number n which added to its sum of digits gives 55546042444.

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, 64889809 + ... + 64890664.

It is an arithmetic number, because the mean of its divisors is an integer number (8176169862).

Almost surely, 2^55546042444 is an apocalyptic number.

It is an amenable number.

55546042444 is a deficient number, since it is larger than the sum of its proper divisors (42567995900).

55546042444 is a wasteful number, since it uses less digits than its factorization.

55546042444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129780584 (or 129780582 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 43.

The spelling of 55546042444 in words is "fifty-five billion, five hundred forty-six million, forty-two thousand, four hundred forty-four".