50053649 has 4 divisors (see below), whose sum is σ = 50569764. Its totient is φ = 49537536.

The previous prime is 50053643. The next prime is 50053669. The reversal of 50053649 is 94635005.

It is a happy number.

50053649 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.

It can be written as a sum of positive squares in 2 ways, for example, as 14137600 + 35916049 = 3760^2 + 5993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50053649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50053643) by changing a digit.

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, 257912 + ... + 258105.

It is an arithmetic number, because the mean of its divisors is an integer number (12642441).

Almost surely, 2^50053649 is an apocalyptic number.

It is an amenable number.

50053649 is a deficient number, since it is larger than the sum of its proper divisors (516115).

50053649 is an equidigital number, since it uses as much as digits as its factorization.

50053649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516114.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 50053649 is about 7074.8603519787. The cubic root of 50053649 is about 368.5348658363.

The spelling of 50053649 in words is "fifty million, fifty-three thousand, six hundred forty-nine".