55055055005479 has 2 divisors, whose sum is σ = 55055055005480. Its totient is φ = 55055055005478.

The previous prime is 55055055005453. The next prime is 55055055005543. The reversal of 55055055005479 is 97450055055055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55055055005479 - 2¹⁹ = 55055054481191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55055055005179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527527502739 + 27527527502740.

It is an arithmetic number, because the mean of its divisors is an integer number (27527527502740).

Almost surely, 2^{55055055005479} is an apocalyptic number.

55055055005479 is a deficient number, since it is larger than the sum of its proper divisors (1).

55055055005479 is an equidigital number, since it uses as much as digits as its factorization.

55055055005479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19687500, while the sum is 55.

The spelling of 55055055005479 in words is "fifty-five trillion, fifty-five billion, fifty-five million, five thousand, four hundred seventy-nine".