51482648 has 32 divisors (see below), whose sum is σ = 115119360. Its totient is φ = 21104160.

The previous prime is 51482623. The next prime is 51482677. The reversal of 51482648 is 84628415.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18698 + ... + 21273.

It is an arithmetic number, because the mean of its divisors is an integer number (3597480).

Almost surely, 2^51482648 is an apocalyptic number.

It is an amenable number.

51482648 is an abundant number, since it is smaller than the sum of its proper divisors (63636712).

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

51482648 is a wasteful number, since it uses less digits than its factorization.

51482648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40007 (or 40003 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 51482648 is about 7175.1409742248. The cubic root of 51482648 is about 372.0091530488.

The spelling of 51482648 in words is "fifty-one million, four hundred eighty-two thousand, six hundred forty-eight".