51659159 has 2 divisors, whose sum is σ = 51659160. Its totient is φ = 51659158.

The previous prime is 51659143. The next prime is 51659171. The reversal of 51659159 is 95195615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51659159 - 2⁴ = 51659143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51659189) 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, 25829579 + 25829580.

It is an arithmetic number, because the mean of its divisors is an integer number (25829580).

Almost surely, 2^51659159 is an apocalyptic number.

51659159 is a deficient number, since it is larger than the sum of its proper divisors (1).

51659159 is an equidigital number, since it uses as much as digits as its factorization.

51659159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60750, while the sum is 41.

The square root of 51659159 is about 7187.4306257522. The cubic root of 51659159 is about 372.4338191511.

The spelling of 51659159 in words is "fifty-one million, six hundred fifty-nine thousand, one hundred fifty-nine".