2055005719 has 4 divisors (see below), whose sum is σ = 2213083096. Its totient is φ = 1896928344.

The previous prime is 2055005671. The next prime is 2055005723. The reversal of 2055005719 is 9175005502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2055005719 is a prime.

It is a super-2 number, since 2×2055005719² = 8446097010245413922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050005719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79038669 + ... + 79038694.

It is an arithmetic number, because the mean of its divisors is an integer number (553270774).

Almost surely, 2^2055005719 is an apocalyptic number.

2055005719 is a deficient number, since it is larger than the sum of its proper divisors (158077377).

2055005719 is a wasteful number, since it uses less digits than its factorization.

2055005719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158077376.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 2055005719 is about 45332.1709054398. The cubic root of 2055005719 is about 1271.3672255749.

The spelling of 2055005719 in words is "two billion, fifty-five million, five thousand, seven hundred nineteen".