50078149 has 6 divisors (see below), whose sum is σ = 55044710. Its totient is φ = 45525480.

The previous prime is 50078117. The next prime is 50078159. The reversal of 50078149 is 94187005.

It is a happy number.

50078149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 49098049 + 980100 = 7007^2 + 990^2 .

It is not a de Polignac number, because 50078149 - 2⁵ = 50078117 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 (50078159) 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 5 ways as a sum of consecutive naturals, for example, 206814 + ... + 207055.

Almost surely, 2^50078149 is an apocalyptic number.

It is an amenable number.

50078149 is a deficient number, since it is larger than the sum of its proper divisors (4966561).

50078149 is a wasteful number, since it uses less digits than its factorization.

50078149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413891 (or 413880 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 50078149 is about 7076.5916230909. The cubic root of 50078149 is about 368.5949855387.

The spelling of 50078149 in words is "fifty million, seventy-eight thousand, one hundred forty-nine".