50816765 has 4 divisors (see below), whose sum is σ = 60980124. Its totient is φ = 40653408.

The previous prime is 50816747. The next prime is 50816767. The reversal of 50816765 is 56761805.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40615129 + 10201636 = 6373^2 + 3194^2 .

It is a cyclic number.

It is not a de Polignac number, because 50816765 - 2⁸ = 50816509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50816767) 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, 5081672 + ... + 5081681.

It is an arithmetic number, because the mean of its divisors is an integer number (15245031).

Almost surely, 2^50816765 is an apocalyptic number.

It is an amenable number.

50816765 is a deficient number, since it is larger than the sum of its proper divisors (10163359).

50816765 is a wasteful number, since it uses less digits than its factorization.

50816765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163358.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 50816765 is about 7128.5878685754. The cubic root of 50816765 is about 370.3983170881.

The spelling of 50816765 in words is "fifty million, eight hundred sixteen thousand, seven hundred sixty-five".