51064563336 has 32 divisors (see below), whose sum is σ = 128925388800. Its totient is φ = 16852990400.

The previous prime is 51064563317. The next prime is 51064563353. The reversal of 51064563336 is 63336546015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10530696 + ... + 10535543.

It is an arithmetic number, because the mean of its divisors is an integer number (4028918400).

Almost surely, 2^51064563336 is an apocalyptic number.

It is an amenable number.

51064563336 is an abundant number, since it is smaller than the sum of its proper divisors (77860825464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51064563336 is a wasteful number, since it uses less digits than its factorization.

51064563336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21066349 (or 21066345 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 51064563336 in words is "fifty-one billion, sixty-four million, five hundred sixty-three thousand, three hundred thirty-six".