13858638055 has 4 divisors (see below), whose sum is σ = 16630365672. Its totient is φ = 11086910440.

The previous prime is 13858638047. The next prime is 13858638067. The reversal of 13858638055 is 55083685831.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13858638055 - 2³ = 13858638047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13858637993 and 13858638011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385863801 + ... + 1385863810.

It is an arithmetic number, because the mean of its divisors is an integer number (4157591418).

Almost surely, 2^13858638055 is an apocalyptic number.

13858638055 is a deficient number, since it is larger than the sum of its proper divisors (2771727617).

13858638055 is an equidigital number, since it uses as much as digits as its factorization.

13858638055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771727616.

The product of its (nonzero) digits is 3456000, while the sum is 52.

The spelling of 13858638055 in words is "thirteen billion, eight hundred fifty-eight million, six hundred thirty-eight thousand, fifty-five".