51916736 has 14 divisors (see below), whose sum is σ = 103022400. Its totient is φ = 25958336.

The previous prime is 51916703. The next prime is 51916747. The reversal of 51916736 is 63761915.

It is a self number, because there is not a number n which added to its sum of digits gives 51916736.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 405536 + ... + 405663.

Almost surely, 2^51916736 is an apocalyptic number.

It is an amenable number.

51916736 is a deficient number, since it is larger than the sum of its proper divisors (51105664).

51916736 is an equidigital number, since it uses as much as digits as its factorization.

51916736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811211 (or 811201 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 51916736 is about 7205.3269183292. The cubic root of 51916736 is about 373.0517888641.

The spelling of 51916736 in words is "fifty-one million, nine hundred sixteen thousand, seven hundred thirty-six".