50279548447 has 4 divisors (see below), whose sum is σ = 50289737616. Its totient is φ = 50269359280.

The previous prime is 50279548391. The next prime is 50279548453. The reversal of 50279548447 is 74484597205.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50279548447 is a prime.

It is a super-2 number, since 2×50279548447² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50279540447) 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, 5087179 + ... + 5097052.

It is an arithmetic number, because the mean of its divisors is an integer number (12572434404).

Almost surely, 2^50279548447 is an apocalyptic number.

50279548447 is a deficient number, since it is larger than the sum of its proper divisors (10189169).

50279548447 is a wasteful number, since it uses less digits than its factorization.

50279548447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10189168.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 50279548447 in words is "fifty billion, two hundred seventy-nine million, five hundred forty-eight thousand, four hundred forty-seven".