51916746 has 32 divisors (see below), whose sum is σ = 120176640. Its totient is φ = 14644656.

The previous prime is 51916703. The next prime is 51916747. The reversal of 51916746 is 64761915.

51916746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51916747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4506 + ... + 11141.

It is an arithmetic number, because the mean of its divisors is an integer number (3755520).

Almost surely, 2^51916746 is an apocalyptic number.

51916746 is an abundant number, since it is smaller than the sum of its proper divisors (68259894).

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

51916746 is a wasteful number, since it uses less digits than its factorization.

51916746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15738.

The product of its digits is 45360, while the sum is 39.

The square root of 51916746 is about 7205.3276122603. The cubic root of 51916746 is about 373.0518128160.

The spelling of 51916746 in words is "fifty-one million, nine hundred sixteen thousand, seven hundred forty-six".