51959853028 has 12 divisors (see below), whose sum is σ = 90938341872. Its totient is φ = 25977469640.

The previous prime is 51959852981. The next prime is 51959853041. The reversal of 51959853028 is 82035895915.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51959853028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566218 + ... + 651553.

It is an arithmetic number, because the mean of its divisors is an integer number (7578195156).

Almost surely, 2^51959853028 is an apocalyptic number.

It is an amenable number.

51959853028 is a deficient number, since it is larger than the sum of its proper divisors (38978488844).

51959853028 is a wasteful number, since it uses less digits than its factorization.

51959853028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228442 (or 1228440 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 55.

The spelling of 51959853028 in words is "fifty-one billion, nine hundred fifty-nine million, eight hundred fifty-three thousand, twenty-eight".