51564425413046 has 64 divisors (see below), whose sum is σ = 95579080869888. Its totient is φ = 20317029631488.

The previous prime is 51564425413003. The next prime is 51564425413063. The reversal of 51564425413046 is 64031452446515.

It is a happy number.

51564425413046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51564425412985 and 51564425413003.

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 31 ways as a sum of consecutive naturals, for example, 219252350 + ... + 219487406.

It is an arithmetic number, because the mean of its divisors is an integer number (1493423138592).

Almost surely, 2^{51564425413046} is an apocalyptic number.

51564425413046 is a deficient number, since it is larger than the sum of its proper divisors (44014655456842).

51564425413046 is a wasteful number, since it uses less digits than its factorization.

51564425413046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239925.

The product of its (nonzero) digits is 6912000, while the sum is 50.

The spelling of 51564425413046 in words is "fifty-one trillion, five hundred sixty-four billion, four hundred twenty-five million, four hundred thirteen thousand, forty-six".