51804300505 has 16 divisors (see below), whose sum is σ = 63441653184. Its totient is φ = 40599282240.

The previous prime is 51804300491. The next prime is 51804300551. The reversal of 51804300505 is 50500340815.

It is not a de Polignac number, because 51804300505 - 2¹¹ = 51804298457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366547 + ... + 487816.

It is an arithmetic number, because the mean of its divisors is an integer number (3965103324).

Almost surely, 2^51804300505 is an apocalyptic number.

It is an amenable number.

51804300505 is a deficient number, since it is larger than the sum of its proper divisors (11637352679).

51804300505 is a wasteful number, since it uses less digits than its factorization.

51804300505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854616.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 51804300505 in words is "fifty-one billion, eight hundred four million, three hundred thousand, five hundred five".