5055661565 has 8 divisors (see below), whose sum is σ = 6078441528. Its totient is φ = 4036764160.

The previous prime is 5055661529. The next prime is 5055661577. The reversal of 5055661565 is 5651665505.

It can be written as a sum of positive squares in 4 ways, for example, as 157201444 + 4898460121 = 12538^2 + 69989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5055661565 - 2¹² = 5055657469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967772 + ... + 972981.

It is an arithmetic number, because the mean of its divisors is an integer number (759805191).

Almost surely, 2^5055661565 is an apocalyptic number.

It is an amenable number.

5055661565 is a deficient number, since it is larger than the sum of its proper divisors (1022779963).

5055661565 is a wasteful number, since it uses less digits than its factorization.

5055661565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941279.

The product of its (nonzero) digits is 675000, while the sum is 44.

The square root of 5055661565 is about 71103.1754916755. The cubic root of 5055661565 is about 1716.2978743183.

The spelling of 5055661565 in words is "five billion, fifty-five million, six hundred sixty-one thousand, five hundred sixty-five".