50549451479 has 4 divisors (see below), whose sum is σ = 50947478784. Its totient is φ = 50151424176.

The previous prime is 50549451439. The next prime is 50549451481. The reversal of 50549451479 is 97415494505.

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

It is a cyclic number.

It is not a de Polignac number, because 50549451479 - 2²⁴ = 50532674263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50549451479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50549451439) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 199013462 + ... + 199013715.

It is an arithmetic number, because the mean of its divisors is an integer number (12736869696).

Almost surely, 2^50549451479 is an apocalyptic number.

50549451479 is a deficient number, since it is larger than the sum of its proper divisors (398027305).

50549451479 is a wasteful number, since it uses less digits than its factorization.

50549451479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398027304.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 50549451479 in words is "fifty billion, five hundred forty-nine million, four hundred fifty-one thousand, four hundred seventy-nine".