50768749 has 4 divisors (see below), whose sum is σ = 53755164. Its totient is φ = 47782336.

The previous prime is 50768747. The next prime is 50768771. The reversal of 50768749 is 94786705.

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 28015849 + 22752900 = 5293^2 + 4770^2 .

It is a cyclic number.

It is not a de Polignac number, because 50768749 - 2¹ = 50768747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50768699 and 50768708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50768743) 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, 1493182 + ... + 1493215.

It is an arithmetic number, because the mean of its divisors is an integer number (13438791).

Almost surely, 2^50768749 is an apocalyptic number.

It is an amenable number.

50768749 is a deficient number, since it is larger than the sum of its proper divisors (2986415).

50768749 is a wasteful number, since it uses less digits than its factorization.

50768749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986414.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 50768749 is about 7125.2192246976. The cubic root of 50768749 is about 370.2816190513.

The spelling of 50768749 in words is "fifty million, seven hundred sixty-eight thousand, seven hundred forty-nine".