64359553 has 2 divisors, whose sum is σ = 64359554. Its totient is φ = 64359552.

The previous prime is 64359541. The next prime is 64359563. The reversal of 64359553 is 35595346.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51022449 + 13337104 = 7143^2 + 3652^2 .

It is a cyclic number.

It is not a de Polignac number, because 64359553 - 2¹⁷ = 64228481 is a prime.

It is not a weakly prime, because it can be changed into another prime (64359563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32179776 + 32179777.

It is an arithmetic number, because the mean of its divisors is an integer number (32179777).

Almost surely, 2^64359553 is an apocalyptic number.

It is an amenable number.

64359553 is a deficient number, since it is larger than the sum of its proper divisors (1).

64359553 is an equidigital number, since it uses as much as digits as its factorization.

64359553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 40.

The square root of 64359553 is about 8022.4405887485. The cubic root of 64359553 is about 400.7476703519.

The spelling of 64359553 in words is "sixty-four million, three hundred fifty-nine thousand, five hundred fifty-three".