51560659 has 2 divisors, whose sum is σ = 51560660. Its totient is φ = 51560658.

The previous prime is 51560651. The next prime is 51560689. The reversal of 51560659 is 95606515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51560659 - 2³ = 51560651 is a prime.

It is not a weakly prime, because it can be changed into another prime (51560651) 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, 25780329 + 25780330.

It is an arithmetic number, because the mean of its divisors is an integer number (25780330).

Almost surely, 2^51560659 is an apocalyptic number.

51560659 is a deficient number, since it is larger than the sum of its proper divisors (1).

51560659 is an equidigital number, since it uses as much as digits as its factorization.

51560659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 51560659 is about 7180.5751162424. The cubic root of 51560659 is about 372.1969584629.

The spelling of 51560659 in words is "fifty-one million, five hundred sixty thousand, six hundred fifty-nine".