51544201 has 2 divisors, whose sum is σ = 51544202. Its totient is φ = 51544200.

The previous prime is 51544189. The next prime is 51544211. The reversal of 51544201 is 10244515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47623801 + 3920400 = 6901^2 + 1980^2 .

It is a cyclic number.

It is not a de Polignac number, because 51544201 - 2⁹ = 51543689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51544211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25772100 + 25772101.

It is an arithmetic number, because the mean of its divisors is an integer number (25772101).

Almost surely, 2^51544201 is an apocalyptic number.

It is an amenable number.

51544201 is a deficient number, since it is larger than the sum of its proper divisors (1).

51544201 is an equidigital number, since it uses as much as digits as its factorization.

51544201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 51544201 is about 7179.4290162937. The cubic root of 51544201 is about 372.1573528829.

Adding to 51544201 its reverse (10244515), we get a palindrome (61788716).

The spelling of 51544201 in words is "fifty-one million, five hundred forty-four thousand, two hundred one".