50521051779 has 16 divisors (see below), whose sum is σ = 73565172480. Its totient is φ = 30585483360.

The previous prime is 50521051771. The next prime is 50521051807. The reversal of 50521051779 is 97715012505.

It is not a de Polignac number, because 50521051779 - 2³ = 50521051771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50521051779.

It is not an unprimeable number, because it can be changed into a prime (50521051771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 802612 + ... + 863265.

It is an arithmetic number, because the mean of its divisors is an integer number (4597823280).

Almost surely, 2^50521051779 is an apocalyptic number.

50521051779 is a deficient number, since it is larger than the sum of its proper divisors (23044120701).

50521051779 is a wasteful number, since it uses less digits than its factorization.

50521051779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666810.

The product of its (nonzero) digits is 110250, while the sum is 42.

The spelling of 50521051779 in words is "fifty billion, five hundred twenty-one million, fifty-one thousand, seven hundred seventy-nine".