50758765 has 4 divisors (see below), whose sum is σ = 60910524. Its totient is φ = 40607008.

The previous prime is 50758759. The next prime is 50758781. The reversal of 50758765 is 56785705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56785705 = 5 ⋅11357141.

It can be written as a sum of positive squares in 2 ways, for example, as 20958084 + 29800681 = 4578^2 + 5459^2 .

It is a cyclic number.

It is not a de Polignac number, because 50758765 - 2²³ = 42370157 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5075872 + ... + 5075881.

It is an arithmetic number, because the mean of its divisors is an integer number (15227631).

Almost surely, 2^50758765 is an apocalyptic number.

It is an amenable number.

50758765 is a deficient number, since it is larger than the sum of its proper divisors (10151759).

50758765 is a wasteful number, since it uses less digits than its factorization.

50758765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10151758.

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 50758765 is about 7124.5185802270. The cubic root of 50758765 is about 370.2573447085.

The spelling of 50758765 in words is "fifty million, seven hundred fifty-eight thousand, seven hundred sixty-five".