564255500606520 has 64 divisors (see below), whose sum is σ = 1694727992862720. Its totient is φ = 150293778735744.

The previous prime is 564255500606471. The next prime is 564255500606531. The reversal of 564255500606520 is 25606005552465.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2724189124 + ... + 2724396243.

It is an arithmetic number, because the mean of its divisors is an integer number (26480124888480).

Almost surely, 2^{564255500606520} is an apocalyptic number.

It is an amenable number.

564255500606520 is an abundant number, since it is smaller than the sum of its proper divisors (1130472492256200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564255500606520 is a wasteful number, since it uses less digits than its factorization.

564255500606520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448586244 (or 5448586240 counting only the distinct ones).

The product of its (nonzero) digits is 10800000, while the sum is 51.

The spelling of 564255500606520 in words is "five hundred sixty-four trillion, two hundred fifty-five billion, five hundred million, six hundred six thousand, five hundred twenty".