50163978 has 16 divisors (see below), whose sum is σ = 100398240. Its totient is φ = 16709616.

The previous prime is 50163941. The next prime is 50164003. The reversal of 50163978 is 87936105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13108 + ... + 16496.

It is an arithmetic number, because the mean of its divisors is an integer number (6274890).

Almost surely, 2^50163978 is an apocalyptic number.

50163978 is an abundant number, since it is smaller than the sum of its proper divisors (50234262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50163978 is a wasteful number, since it uses less digits than its factorization.

50163978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 50163978 is about 7082.6533163780. The cubic root of 50163978 is about 368.8054438130.

The spelling of 50163978 in words is "fifty million, one hundred sixty-three thousand, nine hundred seventy-eight".