51588161 has 2 divisors, whose sum is σ = 51588162. Its totient is φ = 51588160.

The previous prime is 51588139. The next prime is 51588169. The reversal of 51588161 is 16188515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51394561 + 193600 = 7169^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 51588161 - 2¹⁸ = 51326017 is a prime.

It is a super-2 number, since 2×51588161² = 5322676710723842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (51588169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25794080 + 25794081.

It is an arithmetic number, because the mean of its divisors is an integer number (25794081).

Almost surely, 2^51588161 is an apocalyptic number.

It is an amenable number.

51588161 is a deficient number, since it is larger than the sum of its proper divisors (1).

51588161 is an equidigital number, since it uses as much as digits as its factorization.

51588161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 35.

The square root of 51588161 is about 7182.4898886111. The cubic root of 51588161 is about 372.2631222237.

The spelling of 51588161 in words is "fifty-one million, five hundred eighty-eight thousand, one hundred sixty-one".