56558300161 has 16 divisors (see below), whose sum is σ = 65338107840. Its totient is φ = 48385658880.

The previous prime is 56558300107. The next prime is 56558300219. The reversal of 56558300161 is 16100385565.

It is a cyclic number.

It is not a de Polignac number, because 56558300161 - 2⁷ = 56558300033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56558304161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837345 + ... + 1867873.

It is an arithmetic number, because the mean of its divisors is an integer number (4083631740).

Almost surely, 2^56558300161 is an apocalyptic number.

It is an amenable number.

56558300161 is a deficient number, since it is larger than the sum of its proper divisors (8779807679).

56558300161 is a wasteful number, since it uses less digits than its factorization.

56558300161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40464.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 56558300161 in words is "fifty-six billion, five hundred fifty-eight million, three hundred thousand, one hundred sixty-one".