51358028 has 12 divisors (see below), whose sum is σ = 91789152. Its totient is φ = 25132560.

The previous prime is 51358019. The next prime is 51358031. The reversal of 51358028 is 82085315.

It is a happy number.

51358028 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 = 51357985 and 51358003.

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, 136403 + ... + 136778.

It is an arithmetic number, because the mean of its divisors is an integer number (7649096).

Almost surely, 2^51358028 is an apocalyptic number.

It is an amenable number.

51358028 is a deficient number, since it is larger than the sum of its proper divisors (40431124).

51358028 is a wasteful number, since it uses less digits than its factorization.

51358028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273232 (or 273230 counting only the distinct ones).

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

The square root of 51358028 is about 7166.4515626634. The cubic root of 51358028 is about 371.7087460875.

The spelling of 51358028 in words is "fifty-one million, three hundred fifty-eight thousand, twenty-eight".