51063889 has 2 divisors, whose sum is σ = 51063890. Its totient is φ = 51063888.

The previous prime is 51063871. The next prime is 51063911. The reversal of 51063889 is 98836015.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50523664 + 540225 = 7108^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 51063889 - 2¹⁵ = 51031121 is a prime.

It is not a weakly prime, because it can be changed into another prime (51063989) 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, 25531944 + 25531945.

It is an arithmetic number, because the mean of its divisors is an integer number (25531945).

Almost surely, 2^51063889 is an apocalyptic number.

It is an amenable number.

51063889 is a deficient number, since it is larger than the sum of its proper divisors (1).

51063889 is an equidigital number, since it uses as much as digits as its factorization.

51063889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 51063889 is about 7145.9001532347. The cubic root of 51063889 is about 370.9977671247.

The spelling of 51063889 in words is "fifty-one million, sixty-three thousand, eight hundred eighty-nine".