51746028 has 72 divisors (see below), whose sum is σ = 131621952. Its totient is φ = 15810816.

The previous prime is 51746003. The next prime is 51746033. The reversal of 51746028 is 82064715.

51746028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51746028.

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 23 ways as a sum of consecutive naturals, for example, 148951 + ... + 149297.

Almost surely, 2^51746028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51746028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65810976).

51746028 is an abundant number, since it is smaller than the sum of its proper divisors (79875924).

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

51746028 is a wasteful number, since it uses less digits than its factorization.

51746028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 51746028 is about 7193.4712065873. The cubic root of 51746028 is about 372.6424613118.

The spelling of 51746028 in words is "fifty-one million, seven hundred forty-six thousand, twenty-eight".