50665616479 has 4 divisors (see below), whose sum is σ = 50666460984. Its totient is φ = 50664771976.

The previous prime is 50665616437. The next prime is 50665616483. The reversal of 50665616479 is 97461656605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97461656605 = 5 ⋅19492331321.

It is a cyclic number.

It is not a de Polignac number, because 50665616479 - 2¹¹ = 50665614431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50665616779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324757 + ... + 454750.

It is an arithmetic number, because the mean of its divisors is an integer number (12666615246).

Almost surely, 2^50665616479 is an apocalyptic number.

50665616479 is a deficient number, since it is larger than the sum of its proper divisors (844505).

50665616479 is an equidigital number, since it uses as much as digits as its factorization.

50665616479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844504.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 50665616479 in words is "fifty billion, six hundred sixty-five million, six hundred sixteen thousand, four hundred seventy-nine".