55000000039 has 2 divisors, whose sum is σ = 55000000040. Its totient is φ = 55000000038.

The previous prime is 55000000021. The next prime is 55000000087. The reversal of 55000000039 is 93000000055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55000000039 - 2⁷ = 54999999911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54999999956 and 55000000019.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55001000039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500000019 + 27500000020.

It is an arithmetic number, because the mean of its divisors is an integer number (27500000020).

Almost surely, 2^55000000039 is an apocalyptic number.

55000000039 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000000039 is an equidigital number, since it uses as much as digits as its factorization.

55000000039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675, while the sum is 22.

The spelling of 55000000039 in words is "fifty-five billion, thirty-nine", and thus it is an aban number and an uban number.