51448 has 16 divisors (see below), whose sum is σ = 99000. Its totient is φ = 25056.

The previous prime is 51439. The next prime is 51449. The reversal of 51448 is 84415.

51448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51449) by changing a digit.

51448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418 + ... + 526.

2⁵¹⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

51448 is a deficient number, since it is larger than the sum of its proper divisors (47552).

51448 is a wasteful number, since it uses less digits than its factorization.

51448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 170 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 51448 is about 226.8215157343. The cubic root of 51448 is about 37.1925679838.

The spelling of 51448 in words is "fifty-one thousand, four hundred forty-eight".