51328275 has 24 divisors (see below), whose sum is σ = 85946880. Its totient is φ = 27025440.

The previous prime is 51328261. The next prime is 51328307. The reversal of 51328275 is 57282315.

51328275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51328275 - 2⁴ = 51328259 is a prime.

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, 1594 + ... + 10256.

It is an arithmetic number, because the mean of its divisors is an integer number (3581120).

Almost surely, 2^51328275 is an apocalyptic number.

51328275 is a deficient number, since it is larger than the sum of its proper divisors (34618605).

51328275 is a wasteful number, since it uses less digits than its factorization.

51328275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8755 (or 8750 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 51328275 is about 7164.3754089244. The cubic root of 51328275 is about 371.6369521401.

The spelling of 51328275 in words is "fifty-one million, three hundred twenty-eight thousand, two hundred seventy-five".