51696850445 has 8 divisors (see below), whose sum is σ = 62615998944. Its totient is φ = 40970961424.

The previous prime is 51696850423. The next prime is 51696850463. The reversal of 51696850445 is 54405869615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51696850445 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 48314279 + ... + 48315348.

It is an arithmetic number, because the mean of its divisors is an integer number (7826999868).

Almost surely, 2^51696850445 is an apocalyptic number.

It is an amenable number.

51696850445 is a deficient number, since it is larger than the sum of its proper divisors (10919148499).

51696850445 is a wasteful number, since it uses less digits than its factorization.

51696850445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96629739.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 51696850445 in words is "fifty-one billion, six hundred ninety-six million, eight hundred fifty thousand, four hundred forty-five".