55505060050565 has 4 divisors (see below), whose sum is σ = 66606072060684. Its totient is φ = 44404048040448.

The previous prime is 55505060050543. The next prime is 55505060050651. The reversal of 55505060050565 is 56505006050555.

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 23472697488769 + 32032362561796 = 4844863^2 + 5659714^2 .

It is a cyclic number.

It is not a de Polignac number, because 55505060050565 - 2⁶ = 55505060050501 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 5550506005052 + ... + 5550506005061.

It is an arithmetic number, because the mean of its divisors is an integer number (16651518015171).

Almost surely, 2^{55505060050565} is an apocalyptic number.

It is an amenable number.

55505060050565 is a deficient number, since it is larger than the sum of its proper divisors (11101012010119).

55505060050565 is a wasteful number, since it uses less digits than its factorization.

55505060050565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11101012010118.

The product of its (nonzero) digits is 2812500, while the sum is 47.

The spelling of 55505060050565 in words is "fifty-five trillion, five hundred five billion, sixty million, fifty thousand, five hundred sixty-five".