563764955 has 16 divisors (see below), whose sum is σ = 729148224. Its totient is φ = 415981440.

The previous prime is 563764913. The next prime is 563764963. The reversal of 563764955 is 559467365.

It is a happy number.

It is not a de Polignac number, because 563764955 - 2²⁶ = 496656091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101090 + ... + 106520.

It is an arithmetic number, because the mean of its divisors is an integer number (45571764).

Almost surely, 2^563764955 is an apocalyptic number.

563764955 is a deficient number, since it is larger than the sum of its proper divisors (165383269).

563764955 is a wasteful number, since it uses less digits than its factorization.

563764955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7046.

The product of its digits is 3402000, while the sum is 50.

The square root of 563764955 is about 23743.7350684344. The cubic root of 563764955 is about 826.1001325726.

The spelling of 563764955 in words is "five hundred sixty-three million, seven hundred sixty-four thousand, nine hundred fifty-five".