51558014656 has 28 divisors (see below), whose sum is σ = 102997101600. Its totient is φ = 25605989120.

The previous prime is 51558014639. The next prime is 51558014657. The reversal of 51558014656 is 65641085515.

It is not an unprimeable number, because it can be changed into a prime (51558014657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2693800 + ... + 2712871.

Almost surely, 2^51558014656 is an apocalyptic number.

It is an amenable number.

51558014656 is a deficient number, since it is larger than the sum of its proper divisors (51439086944).

51558014656 is a wasteful number, since it uses less digits than its factorization.

51558014656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406832 (or 5406822 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 46.

The spelling of 51558014656 in words is "fifty-one billion, five hundred fifty-eight million, fourteen thousand, six hundred fifty-six".