55505556105494 has 16 divisors (see below), whose sum is σ = 90839813895360. Its totient is φ = 25226314821960.

The previous prime is 55505556105491. The next prime is 55505556105511. The reversal of 55505556105494 is 49450165550555.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505556105491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174007424 + ... + 174326115.

It is an arithmetic number, because the mean of its divisors is an integer number (5677488368460).

Almost surely, 2^{55505556105494} is an apocalyptic number.

55505556105494 is a deficient number, since it is larger than the sum of its proper divisors (35334257789866).

55505556105494 is a wasteful number, since it uses less digits than its factorization.

55505556105494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348340795.

The product of its (nonzero) digits is 67500000, while the sum is 59.

The spelling of 55505556105494 in words is "fifty-five trillion, five hundred five billion, five hundred fifty-six million, one hundred five thousand, four hundred ninety-four".