51065996 has 12 divisors (see below), whose sum is σ = 94069080. Its totient is φ = 24189120.

The previous prime is 51065981. The next prime is 51066007. The reversal of 51065996 is 69956015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335885 + ... + 336036.

It is an arithmetic number, because the mean of its divisors is an integer number (7839090).

Almost surely, 2^51065996 is an apocalyptic number.

It is an amenable number.

51065996 is a deficient number, since it is larger than the sum of its proper divisors (43003084).

51065996 is a wasteful number, since it uses less digits than its factorization.

51065996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671944 (or 671942 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 51065996 is about 7146.0475789068. The cubic root of 51065996 is about 371.0028697622.

The spelling of 51065996 in words is "fifty-one million, sixty-five thousand, nine hundred ninety-six".