51744671 has 8 divisors (see below), whose sum is σ = 58395600. Its totient is φ = 45418240.

The previous prime is 51744661. The next prime is 51744701. The reversal of 51744671 is 17644715.

It is a happy number.

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 51744671 - 2¹⁸ = 51482527 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 (51744631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80786 + ... + 81423.

It is an arithmetic number, because the mean of its divisors is an integer number (7299450).

Almost surely, 2^51744671 is an apocalyptic number.

51744671 is a deficient number, since it is larger than the sum of its proper divisors (6650929).

51744671 is a wasteful number, since it uses less digits than its factorization.

51744671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162249.

The product of its digits is 23520, while the sum is 35.

The square root of 51744671 is about 7193.3768843291. The cubic root of 51744671 is about 372.6392038622.

The spelling of 51744671 in words is "fifty-one million, seven hundred forty-four thousand, six hundred seventy-one".