51447443 has 2 divisors, whose sum is σ = 51447444. Its totient is φ = 51447442.

The previous prime is 51447437. The next prime is 51447449. The reversal of 51447443 is 34474415.

It is a balanced prime because it is at equal distance from previous prime (51447437) and next prime (51447449).

It is a cyclic number.

It is not a de Polignac number, because 51447443 - 2¹⁶ = 51381907 is a prime.

It is not a weakly prime, because it can be changed into another prime (51447449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25723721 + 25723722.

It is an arithmetic number, because the mean of its divisors is an integer number (25723722).

Almost surely, 2^51447443 is an apocalyptic number.

51447443 is a deficient number, since it is larger than the sum of its proper divisors (1).

51447443 is an equidigital number, since it uses as much as digits as its factorization.

51447443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 32.

The square root of 51447443 is about 7172.6872927795. The cubic root of 51447443 is about 371.9243376199.

The spelling of 51447443 in words is "fifty-one million, four hundred forty-seven thousand, four hundred forty-three".