51573443 has 2 divisors, whose sum is σ = 51573444. Its totient is φ = 51573442.

The previous prime is 51573377. The next prime is 51573463. The reversal of 51573443 is 34437515.

51573443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51573443 - 2¹⁰ = 51572419 is a prime.

It is not a weakly prime, because it can be changed into another prime (51573463) 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 as a sum of consecutive naturals, namely, 25786721 + 25786722.

It is an arithmetic number, because the mean of its divisors is an integer number (25786722).

Almost surely, 2^51573443 is an apocalyptic number.

51573443 is a deficient number, since it is larger than the sum of its proper divisors (1).

51573443 is an equidigital number, since it uses as much as digits as its factorization.

51573443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 32.

The square root of 51573443 is about 7181.4652404645. The cubic root of 51573443 is about 372.2277168797.

The spelling of 51573443 in words is "fifty-one million, five hundred seventy-three thousand, four hundred forty-three".