51360777724 has 12 divisors (see below), whose sum is σ = 91222874344. Its totient is φ = 25297099344.

The previous prime is 51360777719. The next prime is 51360777737. The reversal of 51360777724 is 42777706315.

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 3 ways as a sum of consecutive naturals, for example, 95822079 + ... + 95822614.

Almost surely, 2^51360777724 is an apocalyptic number.

It is an amenable number.

51360777724 is a deficient number, since it is larger than the sum of its proper divisors (39862096620).

51360777724 is a wasteful number, since it uses less digits than its factorization.

51360777724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191644764 (or 191644762 counting only the distinct ones).

The product of its (nonzero) digits is 1728720, while the sum is 49.

The spelling of 51360777724 in words is "fifty-one billion, three hundred sixty million, seven hundred seventy-seven thousand, seven hundred twenty-four".