51744061 has 2 divisors, whose sum is σ = 51744062. Its totient is φ = 51744060.

The previous prime is 51744037. The next prime is 51744071. The reversal of 51744061 is 16044715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51696100 + 47961 = 7190^2 + 219^2 .

It is a cyclic number.

It is not a de Polignac number, because 51744061 - 2⁵ = 51744029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51744071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25872030 + 25872031.

It is an arithmetic number, because the mean of its divisors is an integer number (25872031).

Almost surely, 2^51744061 is an apocalyptic number.

It is an amenable number.

51744061 is a deficient number, since it is larger than the sum of its proper divisors (1).

51744061 is an equidigital number, since it uses as much as digits as its factorization.

51744061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 51744061 is about 7193.3344840901. The cubic root of 51744061 is about 372.6377395516.

Adding to 51744061 its reverse (16044715), we get a palindrome (67788776).

The spelling of 51744061 in words is "fifty-one million, seven hundred forty-four thousand, sixty-one".