55439396748287 has 2 divisors, whose sum is σ = 55439396748288. Its totient is φ = 55439396748286.

The previous prime is 55439396748259. The next prime is 55439396748301. The reversal of 55439396748287 is 78284769393455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55439396748287 - 2³⁰ = 55438323006463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55439396742287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27719698374143 + 27719698374144.

It is an arithmetic number, because the mean of its divisors is an integer number (27719698374144).

Almost surely, 2^{55439396748287} is an apocalyptic number.

55439396748287 is a deficient number, since it is larger than the sum of its proper divisors (1).

55439396748287 is an equidigital number, since it uses as much as digits as its factorization.

55439396748287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10973491200, while the sum is 80.

The spelling of 55439396748287 in words is "fifty-five trillion, four hundred thirty-nine billion, three hundred ninety-six million, seven hundred forty-eight thousand, two hundred eighty-seven".