51559367 has 2 divisors, whose sum is σ = 51559368. Its totient is φ = 51559366.

The previous prime is 51559357. The next prime is 51559393. The reversal of 51559367 is 76395515.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51559367 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 (51559357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25779683 + 25779684.

It is an arithmetic number, because the mean of its divisors is an integer number (25779684).

Almost surely, 2^51559367 is an apocalyptic number.

51559367 is a deficient number, since it is larger than the sum of its proper divisors (1).

51559367 is an equidigital number, since it uses as much as digits as its factorization.

51559367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141750, while the sum is 41.

The square root of 51559367 is about 7180.4851507402. The cubic root of 51559367 is about 372.1938496166.

The spelling of 51559367 in words is "fifty-one million, five hundred fifty-nine thousand, three hundred sixty-seven".