56359566 has 12 divisors (see below), whose sum is σ = 122112432. Its totient is φ = 18786516.

The previous prime is 56359553. The next prime is 56359571. The reversal of 56359566 is 66595365.

56359566 is a `hidden beast` number, since 5 + 635 + 9 + 5 + 6 + 6 = 666.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 1565526 + ... + 1565561.

It is an arithmetic number, because the mean of its divisors is an integer number (10176036).

Almost surely, 2^56359566 is an apocalyptic number.

56359566 is an abundant number, since it is smaller than the sum of its proper divisors (65752866).

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

56359566 is a wasteful number, since it uses less digits than its factorization.

56359566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131095 (or 3131092 counting only the distinct ones).

The product of its digits is 729000, while the sum is 45.

The square root of 56359566 is about 7507.3008465093. The cubic root of 56359566 is about 383.4033295410.

The spelling of 56359566 in words is "fifty-six million, three hundred fifty-nine thousand, five hundred sixty-six".