50646065 has 4 divisors (see below), whose sum is σ = 60775284. Its totient is φ = 40516848.

The previous prime is 50646059. The next prime is 50646067. The reversal of 50646065 is 56064605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56064605 = 5 ⋅11212921.

It can be written as a sum of positive squares in 2 ways, for example, as 33373729 + 17272336 = 5777^2 + 4156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50646065 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50646067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5064602 + ... + 5064611.

It is an arithmetic number, because the mean of its divisors is an integer number (15193821).

Almost surely, 2^50646065 is an apocalyptic number.

It is an amenable number.

50646065 is a deficient number, since it is larger than the sum of its proper divisors (10129219).

50646065 is a wasteful number, since it uses less digits than its factorization.

50646065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10129218.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 50646065 is about 7116.6048787326. The cubic root of 50646065 is about 369.9831134246.

The spelling of 50646065 in words is "fifty million, six hundred forty-six thousand, sixty-five".