51710017 has 4 divisors (see below), whose sum is σ = 52212160. Its totient is φ = 51207876.

The previous prime is 51709993. The next prime is 51710027. The reversal of 51710017 is 71001715.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51710017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51710017.

It is not an unprimeable number, because it can be changed into a prime (51710027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250917 + ... + 251122.

It is an arithmetic number, because the mean of its divisors is an integer number (13053040).

Almost surely, 2^51710017 is an apocalyptic number.

It is an amenable number.

51710017 is a deficient number, since it is larger than the sum of its proper divisors (502143).

51710017 is a wasteful number, since it uses less digits than its factorization.

51710017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502142.

The product of its (nonzero) digits is 245, while the sum is 22.

The square root of 51710017 is about 7190.9677373772. The cubic root of 51710017 is about 372.5559983678. Note that the first 3 decimals are identical.

The spelling of 51710017 in words is "fifty-one million, seven hundred ten thousand, seventeen".