51744641 has 8 divisors (see below), whose sum is σ = 58148160. Its totient is φ = 45687312.

The previous prime is 51744631. The next prime is 51744643. The reversal of 51744641 is 14644715.

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 51744641 - 2¹⁰ = 51743617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51744598 and 51744607.

It is not an unprimeable number, because it can be changed into a prime (51744643) 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, 86231 + ... + 86828.

It is an arithmetic number, because the mean of its divisors is an integer number (7268520).

Almost surely, 2^51744641 is an apocalyptic number.

It is an amenable number.

51744641 is a deficient number, since it is larger than the sum of its proper divisors (6403519).

51744641 is a wasteful number, since it uses less digits than its factorization.

51744641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173095.

The product of its digits is 13440, while the sum is 32.

The square root of 51744641 is about 7193.3747990773. The cubic root of 51744641 is about 372.6391318472.

The spelling of 51744641 in words is "fifty-one million, seven hundred forty-four thousand, six hundred forty-one".