51177328 has 20 divisors (see below), whose sum is σ = 99826200. Its totient is φ = 25415744.

The previous prime is 51177319. The next prime is 51177331. The reversal of 51177328 is 82377115.

51177328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51177293 and 51177302.

It is a congruent number.

It is an unprimeable number.

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, 8350 + ... + 13117.

It is an arithmetic number, because the mean of its divisors is an integer number (4991310).

Almost surely, 2^51177328 is an apocalyptic number.

It is an amenable number.

51177328 is a deficient number, since it is larger than the sum of its proper divisors (48648872).

51177328 is a wasteful number, since it uses less digits than its factorization.

51177328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21624 (or 21618 counting only the distinct ones).

The product of its digits is 11760, while the sum is 34.

The square root of 51177328 is about 7153.8330984165. The cubic root of 51177328 is about 371.2722891688.

The spelling of 51177328 in words is "fifty-one million, one hundred seventy-seven thousand, three hundred twenty-eight".