51344717 has 4 divisors (see below), whose sum is σ = 53577120. Its totient is φ = 49112316.

The previous prime is 51344693. The next prime is 51344747. The reversal of 51344717 is 71744315.

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 not a de Polignac number, because 51344717 - 2⁶ = 51344653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51344747) 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, 1116167 + ... + 1116212.

It is an arithmetic number, because the mean of its divisors is an integer number (13394280).

Almost surely, 2^51344717 is an apocalyptic number.

It is an amenable number.

51344717 is a deficient number, since it is larger than the sum of its proper divisors (2232403).

51344717 is a wasteful number, since it uses less digits than its factorization.

51344717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232402.

The product of its digits is 11760, while the sum is 32.

The square root of 51344717 is about 7165.5228001870. The cubic root of 51344717 is about 371.6766300917.

The spelling of 51344717 in words is "fifty-one million, three hundred forty-four thousand, seven hundred seventeen".