51824728 has 16 divisors (see below), whose sum is σ = 97269480. Its totient is φ = 25886208.

The previous prime is 51824719. The next prime is 51824767. The reversal of 51824728 is 82742815.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7075 + ... + 12397.

Almost surely, 2^51824728 is an apocalyptic number.

It is an amenable number.

51824728 is a deficient number, since it is larger than the sum of its proper divisors (45444752).

51824728 is a wasteful number, since it uses less digits than its factorization.

51824728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546 (or 6542 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 51824728 is about 7198.9393663233. The cubic root of 51824728 is about 372.8312816438.

The spelling of 51824728 in words is "fifty-one million, eight hundred twenty-four thousand, seven hundred twenty-eight".