564020853957 has 72 divisors (see below), whose sum is σ = 939022707168. Its totient is φ = 323486308800.

The previous prime is 564020853941. The next prime is 564020853959. The reversal of 564020853957 is 759358020465.

564020853957 is a `hidden beast` number, since 5 + 6 + 40 + 208 + 5 + 395 + 7 = 666.

It is not a de Polignac number, because 564020853957 - 2⁴ = 564020853941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564020853959) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 34694443 + ... + 34710695.

It is an arithmetic number, because the mean of its divisors is an integer number (13041982044).

Almost surely, 2^564020853957 is an apocalyptic number.

564020853957 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

564020853957 is a deficient number, since it is larger than the sum of its proper divisors (375001853211).

564020853957 is a wasteful number, since it uses less digits than its factorization.

564020853957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17279 (or 17257 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 564020853957 in words is "five hundred sixty-four billion, twenty million, eight hundred fifty-three thousand, nine hundred fifty-seven".