64552577 has 2 divisors, whose sum is σ = 64552578. Its totient is φ = 64552576.

The previous prime is 64552567. The next prime is 64552601. The reversal of 64552577 is 77525546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63377521 + 1175056 = 7961^2 + 1084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64552577 is a prime.

It is not a weakly prime, because it can be changed into another prime (64552567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32276288 + 32276289.

It is an arithmetic number, because the mean of its divisors is an integer number (32276289).

Almost surely, 2^64552577 is an apocalyptic number.

It is an amenable number.

64552577 is a deficient number, since it is larger than the sum of its proper divisors (1).

64552577 is an equidigital number, since it uses as much as digits as its factorization.

64552577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294000, while the sum is 41.

The square root of 64552577 is about 8034.4618363646. The cubic root of 64552577 is about 401.1479047190.

The spelling of 64552577 in words is "sixty-four million, five hundred fifty-two thousand, five hundred seventy-seven".