51059728 has 40 divisors (see below), whose sum is σ = 103136256. Its totient is φ = 24460800.

The previous prime is 51059711. The next prime is 51059753. The reversal of 51059728 is 82795015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55593 + ... + 56503.

Almost surely, 2^51059728 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 51059728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51568128).

51059728 is an abundant number, since it is smaller than the sum of its proper divisors (52076528).

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

51059728 is a wasteful number, since it uses less digits than its factorization.

51059728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 51059728 is about 7145.6090013378. The cubic root of 51059728 is about 370.9876897904.

The spelling of 51059728 in words is "fifty-one million, fifty-nine thousand, seven hundred twenty-eight".