655450563 has 8 divisors (see below), whose sum is σ = 874086400. Its totient is φ = 436890888.

The previous prime is 655450561. The next prime is 655450567. The reversal of 655450563 is 365054556.

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

It is not a de Polignac number, because 655450563 - 2¹ = 655450561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655450561) 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 in 7 ways as a sum of consecutive naturals, for example, 5598 + ... + 36636.

It is an arithmetic number, because the mean of its divisors is an integer number (109260800).

Almost surely, 2^655450563 is an apocalyptic number.

655450563 is a deficient number, since it is larger than the sum of its proper divisors (218635837).

655450563 is a wasteful number, since it uses less digits than its factorization.

655450563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38081.

The product of its (nonzero) digits is 270000, while the sum is 39.

The square root of 655450563 is about 25601.7687474909. The cubic root of 655450563 is about 868.6536461776.

The spelling of 655450563 in words is "six hundred fifty-five million, four hundred fifty thousand, five hundred sixty-three".