50488968961 has 4 divisors (see below), whose sum is σ = 50960828592. Its totient is φ = 50017109332.

The previous prime is 50488968953. The next prime is 50488968977. The reversal of 50488968961 is 16986988405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16986988405 = 5 ⋅3397397681.

It is a cyclic number.

It is not a de Polignac number, because 50488968961 - 2³ = 50488968953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50488968893 and 50488968902.

It is not an unprimeable number, because it can be changed into a prime (50488968931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235929655 + ... + 235929868.

It is an arithmetic number, because the mean of its divisors is an integer number (12740207148).

Almost surely, 2^50488968961 is an apocalyptic number.

It is an amenable number.

50488968961 is a deficient number, since it is larger than the sum of its proper divisors (471859631).

50488968961 is a wasteful number, since it uses less digits than its factorization.

50488968961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471859630.

The product of its (nonzero) digits is 29859840, while the sum is 64.

The spelling of 50488968961 in words is "fifty billion, four hundred eighty-eight million, nine hundred sixty-eight thousand, nine hundred sixty-one".