64554563 has 2 divisors, whose sum is σ = 64554564. Its totient is φ = 64554562.

The previous prime is 64554521. The next prime is 64554619. The reversal of 64554563 is 36545546.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64554563 - 2⁶ = 64554499 is a prime.

It is not a weakly prime, because it can be changed into another prime (64559563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32277281 + 32277282.

It is an arithmetic number, because the mean of its divisors is an integer number (32277282).

Almost surely, 2^64554563 is an apocalyptic number.

64554563 is a deficient number, since it is larger than the sum of its proper divisors (1).

64554563 is an equidigital number, since it uses as much as digits as its factorization.

64554563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 38.

The square root of 64554563 is about 8034.5854280106. The cubic root of 64554563 is about 401.1520185314.

The spelling of 64554563 in words is "sixty-four million, five hundred fifty-four thousand, five hundred sixty-three".