75550755705557 has 16 divisors (see below), whose sum is σ = 86034377605248. Its totient is φ = 65671913503680.

The previous prime is 75550755705533. The next prime is 75550755705587.

75550755705557 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 75550755705557 - 2¹⁰ = 75550755704533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75550755705587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54762338 + ... + 56124995.

It is an arithmetic number, because the mean of its divisors is an integer number (5377148600328).

Almost surely, 2^{75550755705557} is an apocalyptic number.

It is an amenable number.

75550755705557 is a deficient number, since it is larger than the sum of its proper divisors (10483621899691).

75550755705557 is a wasteful number, since it uses less digits than its factorization.

75550755705557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110890060.

The product of its (nonzero) digits is 937890625, while the sum is 68.

The spelling of 75550755705557 in words is "seventy-five trillion, five hundred fifty billion, seven hundred fifty-five million, seven hundred five thousand, five hundred fifty-seven".