50055000565 has 16 divisors (see below), whose sum is σ = 60673109616. Its totient is φ = 39639424000.

The previous prime is 50055000539. The next prime is 50055000577. The reversal of 50055000565 is 56500055005.

It can be written as a sum of positive squares in 8 ways, for example, as 18833170756 + 31221829809 = 137234^2 + 176697^2 .

It is not a de Polignac number, because 50055000565 - 2¹³ = 50054992373 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 15 ways as a sum of consecutive naturals, for example, 4171875 + ... + 4183855.

It is an arithmetic number, because the mean of its divisors is an integer number (3792069351).

Almost surely, 2^50055000565 is an apocalyptic number.

It is an amenable number.

50055000565 is a deficient number, since it is larger than the sum of its proper divisors (10618109051).

50055000565 is a wasteful number, since it uses less digits than its factorization.

50055000565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20360.

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 50055000565 in words is "fifty billion, fifty-five million, five hundred sixty-five", and thus it is an aban number.