51096840648 has 32 divisors (see below), whose sum is σ = 145990973760. Its totient is φ = 14599097280.

The previous prime is 51096840631. The next prime is 51096840659. The reversal of 51096840648 is 84604869015.

It is a super-3 number, since 3×51096840648³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 51096840648.

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, 152073763 + ... + 152074098.

It is an arithmetic number, because the mean of its divisors is an integer number (4562217930).

Almost surely, 2^51096840648 is an apocalyptic number.

It is an amenable number.

51096840648 is an abundant number, since it is smaller than the sum of its proper divisors (94894133112).

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

51096840648 is a wasteful number, since it uses less digits than its factorization.

51096840648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304147877 (or 304147873 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 51096840648 in words is "fifty-one billion, ninety-six million, eight hundred forty thousand, six hundred forty-eight".