51744265 has 24 divisors (see below), whose sum is σ = 66103560. Its totient is φ = 38836224.

The previous prime is 51744263. The next prime is 51744269. The reversal of 51744265 is 56244715.

It can be written as a sum of positive squares in 4 ways, for example, as 2013561 + 49730704 = 1419^2 + 7052^2 .

It is not a de Polignac number, because 51744265 - 2¹ = 51744263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51744265.

It is not an unprimeable number, because it can be changed into a prime (51744263) 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 23 ways as a sum of consecutive naturals, for example, 268009 + ... + 268201.

It is an arithmetic number, because the mean of its divisors is an integer number (2754315).

Almost surely, 2^51744265 is an apocalyptic number.

It is an amenable number.

51744265 is a deficient number, since it is larger than the sum of its proper divisors (14359295).

51744265 is a wasteful number, since it uses less digits than its factorization.

51744265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 270 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 51744265 is about 7193.3486638700. The cubic root of 51744265 is about 372.6382292567.

The spelling of 51744265 in words is "fifty-one million, seven hundred forty-four thousand, two hundred sixty-five".