56522553111566 has 16 divisors (see below), whose sum is σ = 87013847265408. Its totient is φ = 27527528830200.

The previous prime is 56522553111553. The next prime is 56522553111569. The reversal of 56522553111566 is 66511135522565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56522553111569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2397856580 + ... + 2397880151.

It is an arithmetic number, because the mean of its divisors is an integer number (5438365454088).

Almost surely, 2^{56522553111566} is an apocalyptic number.

56522553111566 is a deficient number, since it is larger than the sum of its proper divisors (30491294153842).

56522553111566 is a wasteful number, since it uses less digits than its factorization.

56522553111566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795736887.

The product of its digits is 8100000, while the sum is 53.

The spelling of 56522553111566 in words is "fifty-six trillion, five hundred twenty-two billion, five hundred fifty-three million, one hundred eleven thousand, five hundred sixty-six".