51163717 has 8 divisors (see below), whose sum is σ = 56391552. Its totient is φ = 46032000.

The previous prime is 51163703. The next prime is 51163741. The reversal of 51163717 is 71736115.

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 51163717 - 2¹⁹ = 50639429 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 (51163787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22909 + ... + 25042.

It is an arithmetic number, because the mean of its divisors is an integer number (7048944).

Almost surely, 2^51163717 is an apocalyptic number.

It is an amenable number.

51163717 is a deficient number, since it is larger than the sum of its proper divisors (5227835).

51163717 is a wasteful number, since it uses less digits than its factorization.

51163717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48059.

The product of its digits is 4410, while the sum is 31.

The square root of 51163717 is about 7152.8817269685. The cubic root of 51163717 is about 371.2393720198.

The spelling of 51163717 in words is "fifty-one million, one hundred sixty-three thousand, seven hundred seventeen".