55159958629439 has 2 divisors, whose sum is σ = 55159958629440. Its totient is φ = 55159958629438.

The previous prime is 55159958629367. The next prime is 55159958629453. The reversal of 55159958629439 is 93492685995155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55159958629439 - 2²⁰ = 55159957580863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55159958629739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27579979314719 + 27579979314720.

It is an arithmetic number, because the mean of its divisors is an integer number (27579979314720).

Almost surely, 2^{55159958629439} is an apocalyptic number.

55159958629439 is a deficient number, since it is larger than the sum of its proper divisors (1).

55159958629439 is an equidigital number, since it uses as much as digits as its factorization.

55159958629439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4723920000, while the sum is 80.

The spelling of 55159958629439 in words is "fifty-five trillion, one hundred fifty-nine billion, nine hundred fifty-eight million, six hundred twenty-nine thousand, four hundred thirty-nine".