51968075 has 6 divisors (see below), whose sum is σ = 64440444. Its totient is φ = 41574440.

The previous prime is 51968051. The next prime is 51968083. The reversal of 51968075 is 57086915.

51968075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-51968075 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 1039337 + ... + 1039386.

It is an arithmetic number, because the mean of its divisors is an integer number (10740074).

Almost surely, 2^51968075 is an apocalyptic number.

51968075 is a deficient number, since it is larger than the sum of its proper divisors (12472369).

51968075 is a wasteful number, since it uses less digits than its factorization.

51968075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078733 (or 2078728 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 51968075 is about 7208.8886105973. Note that the first 3 decimals coincide. The cubic root of 51968075 is about 373.1747151607.

The spelling of 51968075 in words is "fifty-one million, nine hundred sixty-eight thousand, seventy-five".