50255500565 has 8 divisors (see below), whose sum is σ = 61295233848. Its totient is φ = 39545311680.

The previous prime is 50255500511. The next prime is 50255500571. The reversal of 50255500565 is 56500555205.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6406721764 + 43848778801 = 80042^2 + 209401^2 .

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

It is not a de Polignac number, because 50255500565 - 2⁶ = 50255500501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82385762 + ... + 82386371.

It is an arithmetic number, because the mean of its divisors is an integer number (7661904231).

Almost surely, 2^50255500565 is an apocalyptic number.

It is an amenable number.

50255500565 is a deficient number, since it is larger than the sum of its proper divisors (11039733283).

50255500565 is a wasteful number, since it uses less digits than its factorization.

50255500565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164772199.

The product of its (nonzero) digits is 187500, while the sum is 38.

The spelling of 50255500565 in words is "fifty billion, two hundred fifty-five million, five hundred thousand, five hundred sixty-five".