50618849 has 4 divisors (see below), whose sum is σ = 51986964. Its totient is φ = 49250736.

The previous prime is 50618807. The next prime is 50618851. The reversal of 50618849 is 94881605.

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 43138624 + 7480225 = 6568^2 + 2735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50618849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50618899) 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, 684002 + ... + 684075.

It is an arithmetic number, because the mean of its divisors is an integer number (12996741).

Almost surely, 2^50618849 is an apocalyptic number.

It is an amenable number.

50618849 is a deficient number, since it is larger than the sum of its proper divisors (1368115).

50618849 is a wasteful number, since it uses less digits than its factorization.

50618849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368114.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 50618849 is about 7114.6924740287. The cubic root of 50618849 is about 369.9168281521.

The spelling of 50618849 in words is "fifty million, six hundred eighteen thousand, eight hundred forty-nine".