64553143 has 2 divisors, whose sum is σ = 64553144. Its totient is φ = 64553142.

The previous prime is 64553141. The next prime is 64553161. The reversal of 64553143 is 34135546.

64553143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64553143 - 2¹ = 64553141 is a prime.

Together with 64553141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64553141) 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, 32276571 + 32276572.

It is an arithmetic number, because the mean of its divisors is an integer number (32276572).

Almost surely, 2^64553143 is an apocalyptic number.

64553143 is a deficient number, since it is larger than the sum of its proper divisors (1).

64553143 is an equidigital number, since it uses as much as digits as its factorization.

64553143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

The square root of 64553143 is about 8034.4970595551. The cubic root of 64553143 is about 401.1490771434.

Adding to 64553143 its reverse (34135546), we get a palindrome (98688689).

The spelling of 64553143 in words is "sixty-four million, five hundred fifty-three thousand, one hundred forty-three".