50644496478 has 8 divisors (see below), whose sum is σ = 101288992968. Its totient is φ = 16881498824.

The previous prime is 50644496477. The next prime is 50644496509. The reversal of 50644496478 is 87469444605.

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

50644496478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50644496473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4220374701 + ... + 4220374712.

It is an arithmetic number, because the mean of its divisors is an integer number (12661124121).

Almost surely, 2^50644496478 is an apocalyptic number.

50644496478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

50644496478 is a wasteful number, since it uses less digits than its factorization.

50644496478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8440749418.

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 50644496478 in words is "fifty billion, six hundred forty-four million, four hundred ninety-six thousand, four hundred seventy-eight".