50956443648 has 336 divisors, whose sum is σ = 162729586656. Its totient is φ = 15235153920.

The previous prime is 50956443647. The next prime is 50956443743. The reversal of 50956443648 is 84634465905.

50956443648 is a `hidden beast` number, since 5 + 0 + 9 + 564 + 4 + 36 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 50956443594 and 50956443603.

It is not an unprimeable number, because it can be changed into a prime (50956443647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67313286 + ... + 67314042.

It is an arithmetic number, because the mean of its divisors is an integer number (484314246).

Almost surely, 2^50956443648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50956443648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81364793328).

50956443648 is an abundant number, since it is smaller than the sum of its proper divisors (111773143008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50956443648 is a wasteful number, since it uses less digits than its factorization.

50956443648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 50956443648 in words is "fifty billion, nine hundred fifty-six million, four hundred forty-three thousand, six hundred forty-eight".