55016444461055 has 16 divisors (see below), whose sum is σ = 82310316908544. Its totient is φ = 34295965378080.

The previous prime is 55016444461003. The next prime is 55016444461081.

55016444461055 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55016444461055 - 2⁸ = 55016444460799 is a prime.

It is a super-2 number, since 2×55016444461055² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55016444460994 and 55016444461012.

It is a congruent 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, 71449927487 + ... + 71449928256.

It is an arithmetic number, because the mean of its divisors is an integer number (5144394806784).

Almost surely, 2^{55016444461055} is an apocalyptic number.

55016444461055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55016444461055 is a deficient number, since it is larger than the sum of its proper divisors (27293872447489).

55016444461055 is a wasteful number, since it uses less digits than its factorization.

55016444461055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142899855766.

The product of its (nonzero) digits is 5760000, while the sum is 50.

It can be divided in two parts, 5501644 and 4461055, that added together give a palindrome (9962699).

The spelling of 55016444461055 in words is "fifty-five trillion, sixteen billion, four hundred forty-four million, four hundred sixty-one thousand, fifty-five".