51744937 has 2 divisors, whose sum is σ = 51744938. Its totient is φ = 51744936.

The previous prime is 51744887. The next prime is 51744943. The reversal of 51744937 is 73944715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49829481 + 1915456 = 7059^2 + 1384^2 .

It is a cyclic number.

It is not a de Polignac number, because 51744937 - 2¹⁵ = 51712169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51744937.

It is not a weakly prime, because it can be changed into another prime (51744967) 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 as a sum of consecutive naturals, namely, 25872468 + 25872469.

It is an arithmetic number, because the mean of its divisors is an integer number (25872469).

Almost surely, 2^51744937 is an apocalyptic number.

It is an amenable number.

51744937 is a deficient number, since it is larger than the sum of its proper divisors (1).

51744937 is an equidigital number, since it uses as much as digits as its factorization.

51744937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 51744937 is about 7193.3953735354. The cubic root of 51744937 is about 372.6398423940.

It can be divided in two parts, 517 and 44937, that added together give a palindrome (45454).

The spelling of 51744937 in words is "fifty-one million, seven hundred forty-four thousand, nine hundred thirty-seven".