50061591719 has 4 divisors (see below), whose sum is σ = 50082357960. Its totient is φ = 50040825480.

The previous prime is 50061591673. The next prime is 50061591739. The reversal of 50061591719 is 91719516005.

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-50061591719 is a prime.

It is a super-2 number, since 2×50061591719² (a number of 22 digits) contains 22 as substring.

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 50061591719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50061591739) 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, 10379504 + ... + 10384325.

It is an arithmetic number, because the mean of its divisors is an integer number (12520589490).

Almost surely, 2^50061591719 is an apocalyptic number.

50061591719 is a deficient number, since it is larger than the sum of its proper divisors (20766241).

50061591719 is a wasteful number, since it uses less digits than its factorization.

50061591719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20766240.

The product of its (nonzero) digits is 85050, while the sum is 44.

The spelling of 50061591719 in words is "fifty billion, sixty-one million, five hundred ninety-one thousand, seven hundred nineteen".