55043331355415 has 12 divisors (see below), whose sum is σ = 71523760744584. Its totient is φ = 40647383154144.

The previous prime is 55043331355409. The next prime is 55043331355417. The reversal of 55043331355415 is 51455313334055.

It is not a de Polignac number, because 55043331355415 - 2¹⁰ = 55043331354391 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55043331355415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55043331355417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32570017709 + ... + 32570019398.

It is an arithmetic number, because the mean of its divisors is an integer number (5960313395382).

Almost surely, 2^{55043331355415} is an apocalyptic number.

55043331355415 is a deficient number, since it is larger than the sum of its proper divisors (16480429389169).

55043331355415 is a wasteful number, since it uses less digits than its factorization.

55043331355415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65140037138 (or 65140037125 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 47.

The spelling of 55043331355415 in words is "fifty-five trillion, forty-three billion, three hundred thirty-one million, three hundred fifty-five thousand, four hundred fifteen".