51305055224 has 8 divisors (see below), whose sum is σ = 96196978560. Its totient is φ = 25652527608.

The previous prime is 51305055203. The next prime is 51305055239. The reversal of 51305055224 is 42255050315.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206565944 + ... + 3206565959.

It is an arithmetic number, because the mean of its divisors is an integer number (12024622320).

Almost surely, 2^51305055224 is an apocalyptic number.

It is an amenable number.

51305055224 is a deficient number, since it is larger than the sum of its proper divisors (44891923336).

51305055224 is a wasteful number, since it uses less digits than its factorization.

51305055224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413131909 (or 6413131905 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 51305055224 in words is "fifty-one billion, three hundred five million, fifty-five thousand, two hundred twenty-four".