50779556643804 has 12 divisors (see below), whose sum is σ = 118485632168904. Its totient is φ = 16926518881264.

The previous prime is 50779556643793. The next prime is 50779556643877. The reversal of 50779556643804 is 40834665597705.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2115814860147 + ... + 2115814860170.

It is an arithmetic number, because the mean of its divisors is an integer number (9873802680742).

Almost surely, 2^{50779556643804} is an apocalyptic number.

It is an amenable number.

50779556643804 is an abundant number, since it is smaller than the sum of its proper divisors (67706075525100).

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

50779556643804 is a wasteful number, since it uses less digits than its factorization.

50779556643804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231629720324 (or 4231629720322 counting only the distinct ones).

The product of its (nonzero) digits is 762048000, while the sum is 69.

The spelling of 50779556643804 in words is "fifty trillion, seven hundred seventy-nine billion, five hundred fifty-six million, six hundred forty-three thousand, eight hundred four".