55501106105555 has 16 divisors (see below), whose sum is σ = 72665583011424. Its totient is φ = 40359113268480.

The previous prime is 55501106105437. The next prime is 55501106105629. The reversal of 55501106105555 is 55550160110555.

It is not a de Polignac number, because 55501106105555 - 2²⁸ = 55500837670099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66173672 + ... + 67007141.

It is an arithmetic number, because the mean of its divisors is an integer number (4541598938214).

Almost surely, 2^{55501106105555} is an apocalyptic number.

55501106105555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55501106105555 is a deficient number, since it is larger than the sum of its proper divisors (17164476905869).

55501106105555 is a wasteful number, since it uses less digits than its factorization.

55501106105555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133188406.

The product of its (nonzero) digits is 468750, while the sum is 44.

The spelling of 55501106105555 in words is "fifty-five trillion, five hundred one billion, one hundred six million, one hundred five thousand, five hundred fifty-five".