51828305 has 16 divisors (see below), whose sum is σ = 65442384. Its totient is φ = 39352320.

The previous prime is 51828277. The next prime is 51828323. The reversal of 51828305 is 50382815.

It is a happy number.

51828305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 5683456 + 46144849 = 2384^2 + 6793^2 .

It is not a de Polignac number, because 51828305 - 2²² = 47634001 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 4169 + ... + 11001.

It is an arithmetic number, because the mean of its divisors is an integer number (4090149).

Almost surely, 2^51828305 is an apocalyptic number.

It is an amenable number.

51828305 is a deficient number, since it is larger than the sum of its proper divisors (13614079).

51828305 is a wasteful number, since it uses less digits than its factorization.

51828305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6916.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 51828305 is about 7199.1878014120. The cubic root of 51828305 is about 372.8398591889.

The spelling of 51828305 in words is "fifty-one million, eight hundred twenty-eight thousand, three hundred five".