50278329 has 12 divisors (see below), whose sum is σ = 73500336. Its totient is φ = 33114552.

The previous prime is 50278307. The next prime is 50278331. The reversal of 50278329 is 92387205.

It is a happy number.

It is not a de Polignac number, because 50278329 - 2⁷ = 50278201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50278293 and 50278302.

It is not an unprimeable number, because it can be changed into a prime (50278369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32907 + ... + 34400.

It is an arithmetic number, because the mean of its divisors is an integer number (6125028).

Almost surely, 2^50278329 is an apocalyptic number.

It is an amenable number.

50278329 is a deficient number, since it is larger than the sum of its proper divisors (23222007).

50278329 is a wasteful number, since it uses less digits than its factorization.

50278329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67396 (or 67393 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 50278329 is about 7090.7213314303. The cubic root of 50278329 is about 369.0854672364.

The spelling of 50278329 in words is "fifty million, two hundred seventy-eight thousand, three hundred twenty-nine".