64055543 has 2 divisors, whose sum is σ = 64055544. Its totient is φ = 64055542.

The previous prime is 64055531. The next prime is 64055569. The reversal of 64055543 is 34555046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64055543 - 2¹⁴ = 64039159 is a prime.

It is a super-2 number, since 2×64055543² = 8206225178049698, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64055503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32027771 + 32027772.

It is an arithmetic number, because the mean of its divisors is an integer number (32027772).

Almost surely, 2^64055543 is an apocalyptic number.

64055543 is a deficient number, since it is larger than the sum of its proper divisors (1).

64055543 is an equidigital number, since it uses as much as digits as its factorization.

64055543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 64055543 is about 8003.4706846468. The cubic root of 64055543 is about 400.1156811248.

The spelling of 64055543 in words is "sixty-four million, fifty-five thousand, five hundred forty-three".