51968448 has 84 divisors (see below), whose sum is σ = 170251120. Its totient is φ = 14846976.

The previous prime is 51968447. The next prime is 51968453. The reversal of 51968448 is 84486915.

It is a tau number, because it is divible by the number of its divisors (84).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51968447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2413 + ... + 10476.

Almost surely, 2^51968448 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 51968448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85125560).

51968448 is an abundant number, since it is smaller than the sum of its proper divisors (118282672).

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

51968448 is a wasteful number, since it uses less digits than its factorization.

51968448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12914 (or 12901 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 51968448 is about 7208.9144813904. The cubic root of 51968448 is about 373.1756079770.

The spelling of 51968448 in words is "fifty-one million, nine hundred sixty-eight thousand, four hundred forty-eight".