51785104846784 has 28 divisors (see below), whose sum is σ = 103132046048424. Its totient is φ = 25799077496064.

The previous prime is 51785104846753. The next prime is 51785104846819. The reversal of 51785104846784 is 48764840158715.

51785104846784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460527874 + ... + 1460563329.

Almost surely, 2^{51785104846784} is an apocalyptic number.

It is an amenable number.

51785104846784 is a deficient number, since it is larger than the sum of its proper divisors (51346941201640).

51785104846784 is a wasteful number, since it uses less digits than its factorization.

51785104846784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921091492 (or 2921091482 counting only the distinct ones).

The product of its (nonzero) digits is 240844800, while the sum is 68.

The spelling of 51785104846784 in words is "fifty-one trillion, seven hundred eighty-five billion, one hundred four million, eight hundred forty-six thousand, seven hundred eighty-four".