55000505005449 has 16 divisors (see below), whose sum is σ = 73468907385408. Its totient is φ = 36599558793152.

The previous prime is 55000505005361. The next prime is 55000505005487. The reversal of 55000505005449 is 94450050500055.

It is a cyclic number.

It is not a de Polignac number, because 55000505005449 - 2⁷ = 55000505005321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55000505005449.

It is not an unprimeable number, because it can be changed into a prime (55000505005349) by changing a digit.

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, 37763419 + ... + 39192815.

It is an arithmetic number, because the mean of its divisors is an integer number (4591806711588).

Almost surely, 2^{55000505005449} is an apocalyptic number.

It is an amenable number.

55000505005449 is a deficient number, since it is larger than the sum of its proper divisors (18468402379959).

55000505005449 is a wasteful number, since it uses less digits than its factorization.

55000505005449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452984.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 55000505005449 in words is "fifty-five trillion, five hundred five million, five thousand, four hundred forty-nine".