50478289994 has 16 divisors (see below), whose sum is σ = 82734302880. Its totient is φ = 22907603760.

The previous prime is 50478289993. The next prime is 50478289999. The reversal of 50478289994 is 49998287405.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50478289994.

It is not an unprimeable number, because it can be changed into a prime (50478289993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839749 + ... + 1866984.

It is an arithmetic number, because the mean of its divisors is an integer number (5170893930).

Almost surely, 2^50478289994 is an apocalyptic number.

50478289994 is a deficient number, since it is larger than the sum of its proper divisors (32256012886).

50478289994 is a wasteful number, since it uses less digits than its factorization.

50478289994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707365.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 50478289994 in words is "fifty billion, four hundred seventy-eight million, two hundred eighty-nine thousand, nine hundred ninety-four".