51044417 has 2 divisors, whose sum is σ = 51044418. Its totient is φ = 51044416.

The previous prime is 51044377. The next prime is 51044443. The reversal of 51044417 is 71444015.

It is an a-pointer prime, because the next prime (51044443) can be obtained adding 51044417 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26204161 + 24840256 = 5119^2 + 4984^2 .

It is a cyclic number.

It is not a de Polignac number, because 51044417 - 2¹² = 51040321 is a prime.

It is not a weakly prime, because it can be changed into another prime (51046417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25522208 + 25522209.

It is an arithmetic number, because the mean of its divisors is an integer number (25522209).

Almost surely, 2^51044417 is an apocalyptic number.

It is an amenable number.

51044417 is a deficient number, since it is larger than the sum of its proper divisors (1).

51044417 is an equidigital number, since it uses as much as digits as its factorization.

51044417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 51044417 is about 7144.5375637616. The cubic root of 51044417 is about 370.9506040701.

The spelling of 51044417 in words is "fifty-one million, forty-four thousand, four hundred seventeen".