55430344120439 has 2 divisors, whose sum is σ = 55430344120440. Its totient is φ = 55430344120438.

The previous prime is 55430344120429. The next prime is 55430344120451. The reversal of 55430344120439 is 93402144303455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55430344120439 - 2⁴ = 55430344120423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55430344120393 and 55430344120402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55430344120429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27715172060219 + 27715172060220.

It is an arithmetic number, because the mean of its divisors is an integer number (27715172060220).

Almost surely, 2^{55430344120439} is an apocalyptic number.

55430344120439 is a deficient number, since it is larger than the sum of its proper divisors (1).

55430344120439 is an equidigital number, since it uses as much as digits as its factorization.

55430344120439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 55430344120439 in words is "fifty-five trillion, four hundred thirty billion, three hundred forty-four million, one hundred twenty thousand, four hundred thirty-nine".