50496708781 has 4 divisors (see below), whose sum is σ = 51861484732. Its totient is φ = 49131932832.

The previous prime is 50496708733. The next prime is 50496708791. The reversal of 50496708781 is 18780769405.

50496708781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39160847881 + 11335860900 = 197891^2 + 106470^2 .

It is a cyclic number.

It is not a de Polignac number, because 50496708781 - 2¹⁷ = 50496577709 is a prime.

It is a super-2 number, since 2×50496708781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50496708701) 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, 682387920 + ... + 682387993.

It is an arithmetic number, because the mean of its divisors is an integer number (12965371183).

Almost surely, 2^50496708781 is an apocalyptic number.

It is an amenable number.

50496708781 is a deficient number, since it is larger than the sum of its proper divisors (1364775951).

50496708781 is a wasteful number, since it uses less digits than its factorization.

50496708781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364775950.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 50496708781 in words is "fifty billion, four hundred ninety-six million, seven hundred eight thousand, seven hundred eighty-one".