55881520344103 has 2 divisors, whose sum is σ = 55881520344104. Its totient is φ = 55881520344102.

The previous prime is 55881520344077. The next prime is 55881520344137. The reversal of 55881520344103 is 30144302518855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55881520344103 - 2⁴¹ = 53682497088551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55881520344173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27940760172051 + 27940760172052.

It is an arithmetic number, because the mean of its divisors is an integer number (27940760172052).

Almost surely, 2^{55881520344103} is an apocalyptic number.

55881520344103 is a deficient number, since it is larger than the sum of its proper divisors (1).

55881520344103 is an equidigital number, since it uses as much as digits as its factorization.

55881520344103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 55881520344103 in words is "fifty-five trillion, eight hundred eighty-one billion, five hundred twenty million, three hundred forty-four thousand, one hundred three".