51998037696 has 112 divisors (see below), whose sum is σ = 166761444480. Its totient is φ = 15756975360.

The previous prime is 51998037659. The next prime is 51998037697. The reversal of 51998037696 is 69673089915.

51998037696 is a `hidden beast` number, since 519 + 9 + 80 + 37 + 6 + 9 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (51998037697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348786 + ... + 1386801.

Almost surely, 2^51998037696 is an apocalyptic number.

It is an amenable number.

51998037696 is an abundant number, since it is smaller than the sum of its proper divisors (114763406784).

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

51998037696 is a wasteful number, since it uses less digits than its factorization.

51998037696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735619 (or 2735603 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The spelling of 51998037696 in words is "fifty-one billion, nine hundred ninety-eight million, thirty-seven thousand, six hundred ninety-six".