55043543540455 has 32 divisors (see below), whose sum is σ = 68624194830336. Its totient is φ = 42358954466304.

The previous prime is 55043543540441. The next prime is 55043543540483. The reversal of 55043543540455 is 55404534534055.

It is a cyclic number.

It is not a de Polignac number, because 55043543540455 - 2¹⁷ = 55043543409383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5424874 + ... + 11811703.

It is an arithmetic number, because the mean of its divisors is an integer number (2144506088448).

Almost surely, 2^{55043543540455} is an apocalyptic number.

55043543540455 is a deficient number, since it is larger than the sum of its proper divisors (13580651289881).

55043543540455 is a wasteful number, since it uses less digits than its factorization.

55043543540455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17236863.

The product of its (nonzero) digits is 36000000, while the sum is 52.

The spelling of 55043543540455 in words is "fifty-five trillion, forty-three billion, five hundred forty-three million, five hundred forty thousand, four hundred fifty-five".