55639700793143 has 2 divisors, whose sum is σ = 55639700793144. Its totient is φ = 55639700793142.

The previous prime is 55639700793137. The next prime is 55639700793223. The reversal of 55639700793143 is 34139700793655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55639700793143 - 2²⁸ = 55639432357687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55639700093143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27819850396571 + 27819850396572.

It is an arithmetic number, because the mean of its divisors is an integer number (27819850396572).

Almost surely, 2^{55639700793143} is an apocalyptic number.

55639700793143 is a deficient number, since it is larger than the sum of its proper divisors (1).

55639700793143 is an equidigital number, since it uses as much as digits as its factorization.

55639700793143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64297800, while the sum is 62.

The spelling of 55639700793143 in words is "fifty-five trillion, six hundred thirty-nine billion, seven hundred million, seven hundred ninety-three thousand, one hundred forty-three".