51955786176 has 56 divisors (see below), whose sum is σ = 157104405120. Its totient is φ = 14844509952.

The previous prime is 51955786147. The next prime is 51955786187. The reversal of 51955786176 is 67168755915.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a zygodrome in base 2.

It is a congruent number.

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, 19327446 + ... + 19330133.

Almost surely, 2^51955786176 is an apocalyptic number.

51955786176 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51955786176 is an abundant number, since it is smaller than the sum of its proper divisors (105148618944).

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

51955786176 is a wasteful number, since it uses less digits than its factorization.

51955786176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38657601 (or 38657591 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 60.

The spelling of 51955786176 in words is "fifty-one billion, nine hundred fifty-five million, seven hundred eighty-six thousand, one hundred seventy-six".