50146978 has 8 divisors (see below), whose sum is σ = 85966272. Its totient is φ = 21491556.

The previous prime is 50146939. The next prime is 50146981. The reversal of 50146978 is 87964105.

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

It is a self number, because there is not a number n which added to its sum of digits gives 50146978.

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, 1790950 + ... + 1790977.

It is an arithmetic number, because the mean of its divisors is an integer number (10745784).

Almost surely, 2^50146978 is an apocalyptic number.

50146978 is a deficient number, since it is larger than the sum of its proper divisors (35819294).

50146978 is a wasteful number, since it uses less digits than its factorization.

50146978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581936.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 50146978 is about 7081.4530994705. The cubic root of 50146978 is about 368.7637777865.

The spelling of 50146978 in words is "fifty million, one hundred forty-six thousand, nine hundred seventy-eight".