51445343 has 2 divisors, whose sum is σ = 51445344. Its totient is φ = 51445342.

The previous prime is 51445327. The next prime is 51445357. The reversal of 51445343 is 34354415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51445343 - 2⁴ = 51445327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51445643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25722671 + 25722672.

It is an arithmetic number, because the mean of its divisors is an integer number (25722672).

Almost surely, 2^51445343 is an apocalyptic number.

51445343 is a deficient number, since it is larger than the sum of its proper divisors (1).

51445343 is an equidigital number, since it uses as much as digits as its factorization.

51445343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 29.

The square root of 51445343 is about 7172.5409026369. The cubic root of 51445343 is about 371.9192771044.

Adding to 51445343 its reverse (34354415), we get a palindrome (85799758).

The spelling of 51445343 in words is "fifty-one million, four hundred forty-five thousand, three hundred forty-three".