50645965 has 4 divisors (see below), whose sum is σ = 60775164. Its totient is φ = 40516768.

The previous prime is 50645951. The next prime is 50645981. The reversal of 50645965 is 56954605.

50645965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56954605 = 5 ⋅11390921.

It can be written as a sum of positive squares in 2 ways, for example, as 6728836 + 43917129 = 2594^2 + 6627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50645965 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5064592 + ... + 5064601.

It is an arithmetic number, because the mean of its divisors is an integer number (15193791).

Almost surely, 2^50645965 is an apocalyptic number.

It is an amenable number.

50645965 is a deficient number, since it is larger than the sum of its proper divisors (10129199).

50645965 is a wasteful number, since it uses less digits than its factorization.

50645965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10129198.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 50645965 is about 7116.5978529070. The cubic root of 50645965 is about 369.9828699155.

The spelling of 50645965 in words is "fifty million, six hundred forty-five thousand, nine hundred sixty-five".