564455501 has 2 divisors, whose sum is σ = 564455502. Its totient is φ = 564455500.

The previous prime is 564455497. The next prime is 564455543. The reversal of 564455501 is 105554465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349129225 + 215326276 = 18685^2 + 14674^2 .

It is a cyclic number.

It is not a de Polignac number, because 564455501 - 2² = 564455497 is a prime.

It is a super-2 number, since 2×564455501² = 637220025218322002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564455561) 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, 282227750 + 282227751.

It is an arithmetic number, because the mean of its divisors is an integer number (282227751).

Almost surely, 2^564455501 is an apocalyptic number.

It is an amenable number.

564455501 is a deficient number, since it is larger than the sum of its proper divisors (1).

564455501 is an equidigital number, since it uses as much as digits as its factorization.

564455501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 564455501 is about 23758.2722646240. The cubic root of 564455501 is about 826.4372869013.

The spelling of 564455501 in words is "five hundred sixty-four million, four hundred fifty-five thousand, five hundred one".