17055139 has 4 divisors (see below), whose sum is σ = 17471160. Its totient is φ = 16639120.

The previous prime is 17055119. The next prime is 17055149. The reversal of 17055139 is 93155071.

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

It is a cyclic number.

It is not a de Polignac number, because 17055139 - 2⁵ = 17055107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17055139.

It is not an unprimeable number, because it can be changed into a prime (17055109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207949 + ... + 208030.

It is an arithmetic number, because the mean of its divisors is an integer number (4367790).

Almost surely, 2^17055139 is an apocalyptic number.

17055139 is a deficient number, since it is larger than the sum of its proper divisors (416021).

17055139 is an equidigital number, since it uses as much as digits as its factorization.

17055139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416020.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 17055139 is about 4129.7867983711. The cubic root of 17055139 is about 257.4058549229.

The spelling of 17055139 in words is "seventeen million, fifty-five thousand, one hundred thirty-nine".