50378288318 has 4 divisors (see below), whose sum is σ = 75567432480. Its totient is φ = 25189144158.

The previous prime is 50378288281. The next prime is 50378288339. The reversal of 50378288318 is 81388287305.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 50378288318.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12594572078 + ... + 12594572081.

It is an arithmetic number, because the mean of its divisors is an integer number (18891858120).

Almost surely, 2^50378288318 is an apocalyptic number.

50378288318 is a deficient number, since it is larger than the sum of its proper divisors (25189144162).

50378288318 is a wasteful number, since it uses less digits than its factorization.

50378288318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25189144161.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 50378288318 in words is "fifty billion, three hundred seventy-eight million, two hundred eighty-eight thousand, three hundred eighteen".