5550550065 has 24 divisors (see below), whose sum is σ = 10186893288. Its totient is φ = 2786158080.

The previous prime is 5550550063. The next prime is 5550550073. The reversal of 5550550065 is 5600550555.

5550550065 is a `hidden beast` number, since 55 + 50 + 550 + 0 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1037935089 + 4512614976 = 32217^2 + 67176^2 .

It is not a de Polignac number, because 5550550065 - 2¹ = 5550550063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5550550063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3627046 + ... + 3628575.

It is an arithmetic number, because the mean of its divisors is an integer number (424453887).

Almost surely, 2^5550550065 is an apocalyptic number.

It is an amenable number.

5550550065 is a deficient number, since it is larger than the sum of its proper divisors (4636343223).

5550550065 is a wasteful number, since it uses less digits than its factorization.

5550550065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7255649 (or 7255646 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The square root of 5550550065 is about 74502.0138318422. The cubic root of 5550550065 is about 1770.5655427321.

It can be divided in two parts, 55505 and 50065, that added together give a triangular number (105570 = T₄₅₉).

The spelling of 5550550065 in words is "five billion, five hundred fifty million, five hundred fifty thousand, sixty-five".