555252550205 has 4 divisors (see below), whose sum is σ = 666303060252. Its totient is φ = 444202040160.

The previous prime is 555252550201. The next prime is 555252550213. The reversal of 555252550205 is 502055252555.

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

It can be written as a sum of positive squares in 2 ways, for example, as 81541086916 + 473711463289 = 285554^2 + 688267^2 .

It is not a de Polignac number, because 555252550205 - 2² = 555252550201 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 (555252550201) 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 in 3 ways as a sum of consecutive naturals, for example, 55525255016 + ... + 55525255025.

It is an arithmetic number, because the mean of its divisors is an integer number (166575765063).

Almost surely, 2^555252550205 is an apocalyptic number.

It is an amenable number.

555252550205 is a deficient number, since it is larger than the sum of its proper divisors (111050510047).

555252550205 is a wasteful number, since it uses less digits than its factorization.

555252550205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111050510046.

The product of its (nonzero) digits is 625000, while the sum is 41.

The spelling of 555252550205 in words is "five hundred fifty-five billion, two hundred fifty-two million, five hundred fifty thousand, two hundred five".