64955959 has 2 divisors, whose sum is σ = 64955960. Its totient is φ = 64955958.

The previous prime is 64955939. The next prime is 64955977. The reversal of 64955959 is 95955946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64955959 - 2¹⁵ = 64923191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64955939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32477979 + 32477980.

It is an arithmetic number, because the mean of its divisors is an integer number (32477980).

Almost surely, 2^64955959 is an apocalyptic number.

64955959 is a deficient number, since it is larger than the sum of its proper divisors (1).

64955959 is an equidigital number, since it uses as much as digits as its factorization.

64955959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2187000, while the sum is 52.

The square root of 64955959 is about 8059.5259786169. The cubic root of 64955959 is about 401.9817467352.

The spelling of 64955959 in words is "sixty-four million, nine hundred fifty-five thousand, nine hundred fifty-nine".