50408978 has 8 divisors (see below), whose sum is σ = 80061372. Its totient is φ = 23721856.

The previous prime is 50408959. The next prime is 50409001. The reversal of 50408978 is 87980405.

It can be written as a sum of positive squares in 2 ways, for example, as 49942489 + 466489 = 7067^2 + 683^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741275 + ... + 741342.

Almost surely, 2^50408978 is an apocalyptic number.

50408978 is a deficient number, since it is larger than the sum of its proper divisors (29652394).

50408978 is a wasteful number, since it uses less digits than its factorization.

50408978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482636.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 50408978 is about 7099.9280278042. The cubic root of 50408978 is about 369.4048821215.

The spelling of 50408978 in words is "fifty million, four hundred eight thousand, nine hundred seventy-eight".