55554433445555 has 16 divisors (see below), whose sum is σ = 72735364710144. Its totient is φ = 40397912698080.

The previous prime is 55554433445551. The next prime is 55554433445627.

55554433445555 is nontrivially palindromic in base 10.

55554433445555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55554433445555 - 2² = 55554433445551 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (55554433445551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65973137 + ... + 66809906.

It is an arithmetic number, because the mean of its divisors is an integer number (4545960294384).

Almost surely, 2^{55554433445555} is an apocalyptic number.

55554433445555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55554433445555 is a deficient number, since it is larger than the sum of its proper divisors (17180931264589).

55554433445555 is a wasteful number, since it uses less digits than its factorization.

55554433445555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132790666.

The product of its digits is 900000000, while the sum is 62.

The spelling of 55554433445555 in words is "fifty-five trillion, five hundred fifty-four billion, four hundred thirty-three million, four hundred forty-five thousand, five hundred fifty-five".