51204828 has 24 divisors (see below), whose sum is σ = 121116688. Its totient is φ = 16834176.

The previous prime is 51204823. The next prime is 51204841. The reversal of 51204828 is 82840215.

51204828 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 = 51204795 and 51204804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51204823) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28351 + ... + 30102.

Almost surely, 2^51204828 is an apocalyptic number.

It is an amenable number.

51204828 is an abundant number, since it is smaller than the sum of its proper divisors (69911860).

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

51204828 is a wasteful number, since it uses less digits than its factorization.

51204828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58533 (or 58531 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 51204828 is about 7155.7548868026. The cubic root of 51204828 is about 371.3387779841.

The spelling of 51204828 in words is "fifty-one million, two hundred four thousand, eight hundred twenty-eight".