51286328 has 16 divisors (see below), whose sum is σ = 96548760. Its totient is φ = 25540000.

The previous prime is 51286327. The next prime is 51286357. The reversal of 51286328 is 82368215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51286321) by changing a digit.

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, 10763 + ... + 14778.

Almost surely, 2^51286328 is an apocalyptic number.

It is an amenable number.

51286328 is a deficient number, since it is larger than the sum of its proper divisors (45262432).

51286328 is a wasteful number, since it uses less digits than its factorization.

51286328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25798 (or 25794 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 51286328 is about 7161.4473397491. The cubic root of 51286328 is about 371.5356869422.

The spelling of 51286328 in words is "fifty-one million, two hundred eighty-six thousand, three hundred twenty-eight".