51543448 has 16 divisors (see below), whose sum is σ = 105429960. Its totient is φ = 23428800.

The previous prime is 51543419. The next prime is 51543449. The reversal of 51543448 is 84434515.

51543448 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 (51543449) 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, 292773 + ... + 292948.

Almost surely, 2^51543448 is an apocalyptic number.

It is an amenable number.

51543448 is an abundant number, since it is smaller than the sum of its proper divisors (53886512).

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

51543448 is a wasteful number, since it uses less digits than its factorization.

51543448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585738 (or 585734 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 51543448 is about 7179.3765746059. The cubic root of 51543448 is about 372.1555406140.

The spelling of 51543448 in words is "fifty-one million, five hundred forty-three thousand, four hundred forty-eight".