53564563 has 8 divisors (see below), whose sum is σ = 57771728. Its totient is φ = 49369824.

The previous prime is 53564519. The next prime is 53564579. The reversal of 53564563 is 36546535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53564563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53564593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7120 + ... + 12562.

It is an arithmetic number, because the mean of its divisors is an integer number (7221466).

Almost surely, 2^53564563 is an apocalyptic number.

53564563 is a deficient number, since it is larger than the sum of its proper divisors (4207165).

53564563 is a wasteful number, since it uses less digits than its factorization.

53564563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213.

The product of its digits is 162000, while the sum is 37.

The square root of 53564563 is about 7318.7815242703. The cubic root of 53564563 is about 376.9576158943.

The spelling of 53564563 in words is "fifty-three million, five hundred sixty-four thousand, five hundred sixty-three".