50978 has 8 divisors (see below), whose sum is σ = 77760. Its totient is φ = 25060.

The previous prime is 50971. The next prime is 50989. The reversal of 50978 is 87905.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 50978.

It is not an unprimeable number, because it can be changed into a prime (50971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 321.

It is an arithmetic number, because the mean of its divisors is an integer number (9720).

2⁵⁰⁹⁷⁸ is an apocalyptic number.

50978 is a deficient number, since it is larger than the sum of its proper divisors (26782).

50978 is a wasteful number, since it uses less digits than its factorization.

50978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 50978 is about 225.7830817400. The cubic root of 50978 is about 37.0789645431.

The spelling of 50978 in words is "fifty thousand, nine hundred seventy-eight".