55055500550443 has 2 divisors, whose sum is σ = 55055500550444. Its totient is φ = 55055500550442.

The previous prime is 55055500550417. The next prime is 55055500550459. The reversal of 55055500550443 is 34405500555055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55055500550443 - 2²⁵ = 55055466996011 is a prime.

It is a super-2 number, since 2×55055500550443² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55055500550393 and 55055500550402.

It is not a weakly prime, because it can be changed into another prime (55055540550443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527750275221 + 27527750275222.

It is an arithmetic number, because the mean of its divisors is an integer number (27527750275222).

Almost surely, 2^{55055500550443} is an apocalyptic number.

55055500550443 is a deficient number, since it is larger than the sum of its proper divisors (1).

55055500550443 is an equidigital number, since it uses as much as digits as its factorization.

55055500550443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3750000, while the sum is 46.

The spelling of 55055500550443 in words is "fifty-five trillion, fifty-five billion, five hundred million, five hundred fifty thousand, four hundred forty-three".