50000000565 has 16 divisors (see below), whose sum is σ = 80121412800. Its totient is φ = 26626196352.

The previous prime is 50000000549. The next prime is 50000000581. The reversal of 50000000565 is 56500000005.

It is an interprime number because it is at equal distance from previous prime (50000000549) and next prime (50000000581).

It is not a de Polignac number, because 50000000565 - 2⁴ = 50000000549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2519200 + ... + 2538969.

It is an arithmetic number, because the mean of its divisors is an integer number (5007588300).

Almost surely, 2^50000000565 is an apocalyptic number.

It is an amenable number.

50000000565 is a deficient number, since it is larger than the sum of its proper divisors (30121412235).

50000000565 is a wasteful number, since it uses less digits than its factorization.

50000000565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058836.

The product of its (nonzero) digits is 750, while the sum is 21.

The spelling of 50000000565 in words is "fifty billion, five hundred sixty-five", and thus it is an aban number.