51716797 has 8 divisors (see below), whose sum is σ = 57133440. Its totient is φ = 46419360.

The previous prime is 51716789. The next prime is 51716801. The reversal of 51716797 is 79761715.

It is a happy number.

51716797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51716797 - 2³ = 51716789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51716297) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28888 + ... + 30625.

It is an arithmetic number, because the mean of its divisors is an integer number (7141680).

Almost surely, 2^51716797 is an apocalyptic number.

It is an amenable number.

51716797 is a deficient number, since it is larger than the sum of its proper divisors (5416643).

51716797 is a wasteful number, since it uses less digits than its factorization.

51716797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59603.

The product of its digits is 92610, while the sum is 43.

The square root of 51716797 is about 7191.4391466521. The cubic root of 51716797 is about 372.5722803148.

The spelling of 51716797 in words is "fifty-one million, seven hundred sixteen thousand, seven hundred ninety-seven".