51335550564466 has 96 divisors (see below), whose sum is σ = 95888913709824. Its totient is φ = 20479193280000.

The previous prime is 51335550564451. The next prime is 51335550564497. The reversal of 51335550564466 is 66446505553315.

51335550564466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 51335550564466.

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 47 ways as a sum of consecutive naturals, for example, 153122881 + ... + 153457771.

It is an arithmetic number, because the mean of its divisors is an integer number (998842851144).

Almost surely, 2^{51335550564466} is an apocalyptic number.

51335550564466 is a deficient number, since it is larger than the sum of its proper divisors (44553363145358).

51335550564466 is a wasteful number, since it uses less digits than its factorization.

51335550564466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335936 (or 335929 counting only the distinct ones).

The product of its (nonzero) digits is 97200000, while the sum is 58.

The spelling of 51335550564466 in words is "fifty-one trillion, three hundred thirty-five billion, five hundred fifty million, five hundred sixty-four thousand, four hundred sixty-six".