50719607817 has 16 divisors (see below), whose sum is σ = 71194690560. Its totient is φ = 32029262352.

The previous prime is 50719607803. The next prime is 50719607819. The reversal of 50719607817 is 71870691705.

It is not a de Polignac number, because 50719607817 - 2⁷ = 50719607689 is a prime.

It is a super-2 number, since 2×50719607817² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50719607817.

It is not an unprimeable number, because it can be changed into a prime (50719607819) 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, 417148 + ... + 524834.

It is an arithmetic number, because the mean of its divisors is an integer number (4449668160).

Almost surely, 2^50719607817 is an apocalyptic number.

50719607817 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

50719607817 is a deficient number, since it is larger than the sum of its proper divisors (20475082743).

50719607817 is a wasteful number, since it uses less digits than its factorization.

50719607817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115972.

The product of its (nonzero) digits is 740880, while the sum is 51.

The spelling of 50719607817 in words is "fifty billion, seven hundred nineteen million, six hundred seven thousand, eight hundred seventeen".