55055055105559 has 2 divisors, whose sum is σ = 55055055105560. Its totient is φ = 55055055105558.

The previous prime is 55055055105551. The next prime is 55055055105569. The reversal of 55055055105559 is 95550155055055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55055055105559 - 2³ = 55055055105551 is a prime.

It is a super-2 number, since 2×55055055105559² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55055055105551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527527552779 + 27527527552780.

It is an arithmetic number, because the mean of its divisors is an integer number (27527527552780).

Almost surely, 2^{55055055105559} is an apocalyptic number.

55055055105559 is a deficient number, since it is larger than the sum of its proper divisors (1).

55055055105559 is an equidigital number, since it uses as much as digits as its factorization.

55055055105559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17578125, while the sum is 55.

The spelling of 55055055105559 in words is "fifty-five trillion, fifty-five billion, fifty-five million, one hundred five thousand, five hundred fifty-nine".