50277081639 has 4 divisors (see below), whose sum is σ = 67036108856. Its totient is φ = 33518054424.

The previous prime is 50277081611. The next prime is 50277081653. The reversal of 50277081639 is 93618077205.

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

It is not a de Polignac number, because 50277081639 - 2²⁹ = 49740210727 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 (50277081689) 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, 8379513604 + ... + 8379513609.

It is an arithmetic number, because the mean of its divisors is an integer number (16759027214).

Almost surely, 2^50277081639 is an apocalyptic number.

50277081639 is a deficient number, since it is larger than the sum of its proper divisors (16759027217).

50277081639 is a wasteful number, since it uses less digits than its factorization.

50277081639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16759027216.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 50277081639 in words is "fifty billion, two hundred seventy-seven million, eighty-one thousand, six hundred thirty-nine".