51988333195 has 16 divisors (see below), whose sum is σ = 63302689728. Its totient is φ = 40980244480.

The previous prime is 51988333139. The next prime is 51988333231. The reversal of 51988333195 is 59133388915.

It is not a de Polignac number, because 51988333195 - 2²⁵ = 51954778763 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559287 + ... + 645583.

It is an arithmetic number, because the mean of its divisors is an integer number (3956418108).

Almost surely, 2^51988333195 is an apocalyptic number.

51988333195 is a deficient number, since it is larger than the sum of its proper divisors (11314356533).

51988333195 is a wasteful number, since it uses less digits than its factorization.

51988333195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88070.

The product of its digits is 3499200, while the sum is 55.

The spelling of 51988333195 in words is "fifty-one billion, nine hundred eighty-eight million, three hundred thirty-three thousand, one hundred ninety-five".