51084863 has 24 divisors (see below), whose sum is σ = 58531200. Its totient is φ = 44374176.

The previous prime is 51084851. The next prime is 51084937. The reversal of 51084863 is 36848015.

It is not a de Polignac number, because 51084863 - 2¹⁶ = 51019327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51084463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367448 + ... + 367586.

It is an arithmetic number, because the mean of its divisors is an integer number (2438800).

Almost surely, 2^51084863 is an apocalyptic number.

51084863 is a deficient number, since it is larger than the sum of its proper divisors (7446337).

51084863 is a wasteful number, since it uses less digits than its factorization.

51084863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 51084863 is about 7147.3675573598. The cubic root of 51084863 is about 371.0485547570.

The spelling of 51084863 in words is "fifty-one million, eighty-four thousand, eight hundred sixty-three".