51965788 has 12 divisors (see below), whose sum is σ = 103931632. Its totient is φ = 22271040.

The previous prime is 51965783. The next prime is 51965789. The reversal of 51965788 is 88756915.

51965788 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51965783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927933 + ... + 927988.

Almost surely, 2^51965788 is an apocalyptic number.

It is an amenable number.

51965788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51965788 is a wasteful number, since it uses less digits than its factorization.

51965788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855932 (or 1855930 counting only the distinct ones).

The product of its digits is 604800, while the sum is 49.

The square root of 51965788 is about 7208.7299852332. The cubic root of 51965788 is about 373.1692408825.

The spelling of 51965788 in words is "fifty-one million, nine hundred sixty-five thousand, seven hundred eighty-eight".