51746443 has 16 divisors (see below), whose sum is σ = 62560000. Its totient is φ = 41811552.

The previous prime is 51746423. The next prime is 51746447. The reversal of 51746443 is 34464715.

51746443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51746443 - 2⁹ = 51745931 is a prime.

It is the 7194-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51746399 and 51746408.

It is not an unprimeable number, because it can be changed into a prime (51746447) by changing a digit.

It is a nontrivial repunit in base 7193.

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, 29608 + ... + 31306.

It is an arithmetic number, because the mean of its divisors is an integer number (3910000).

Almost surely, 2^51746443 is an apocalyptic number.

51746443 is a deficient number, since it is larger than the sum of its proper divisors (10813557).

51746443 is a wasteful number, since it uses less digits than its factorization.

51746443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954.

The product of its digits is 40320, while the sum is 34.

The square root of 51746443 is about 7193.5000521304. The cubic root of 51746443 is about 372.6434574991.

The spelling of 51746443 in words is "fifty-one million, seven hundred forty-six thousand, four hundred forty-three".