50644065415 has 4 divisors (see below), whose sum is σ = 60772878504. Its totient is φ = 40515252328.

The previous prime is 50644065383. The next prime is 50644065421. The reversal of 50644065415 is 51456044605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50644065415 - 2⁵ = 50644065383 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3 ways as a sum of consecutive naturals, for example, 5064406537 + ... + 5064406546.

It is an arithmetic number, because the mean of its divisors is an integer number (15193219626).

Almost surely, 2^50644065415 is an apocalyptic number.

50644065415 is a deficient number, since it is larger than the sum of its proper divisors (10128813089).

50644065415 is a wasteful number, since it uses less digits than its factorization.

50644065415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128813088.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 50644065415 in words is "fifty billion, six hundred forty-four million, sixty-five thousand, four hundred fifteen".