51284888785 has 32 divisors (see below), whose sum is σ = 66575279232. Its totient is φ = 37701158400.

The previous prime is 51284888747. The next prime is 51284888797. The reversal of 51284888785 is 58788848215.

It is a happy number.

51284888785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51284888785 - 2¹⁵ = 51284856017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28474885 + ... + 28476685.

It is an arithmetic number, because the mean of its divisors is an integer number (2080477476).

Almost surely, 2^51284888785 is an apocalyptic number.

It is an amenable number.

51284888785 is a deficient number, since it is larger than the sum of its proper divisors (15290390447).

51284888785 is a wasteful number, since it uses less digits than its factorization.

51284888785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553.

The product of its digits is 45875200, while the sum is 64.

The spelling of 51284888785 in words is "fifty-one billion, two hundred eighty-four million, eight hundred eighty-eight thousand, seven hundred eighty-five".