56054144161 has 4 divisors (see below), whose sum is σ = 56319803824. Its totient is φ = 55788484500.

The previous prime is 56054144129. The next prime is 56054144177. The reversal of 56054144161 is 16144145065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56054144161 - 2⁵ = 56054144129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56054144161.

It is not an unprimeable number, because it can be changed into a prime (59054144161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132829515 + ... + 132829936.

It is an arithmetic number, because the mean of its divisors is an integer number (14079950956).

Almost surely, 2^56054144161 is an apocalyptic number.

It is an amenable number.

56054144161 is a deficient number, since it is larger than the sum of its proper divisors (265659663).

56054144161 is a wasteful number, since it uses less digits than its factorization.

56054144161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265659662.

The product of its (nonzero) digits is 57600, while the sum is 37.

It can be divided in two parts, 5605414 and 4161, that added together give a triangular number (5609575 = T₃₃₄₉).

The spelling of 56054144161 in words is "fifty-six billion, fifty-four million, one hundred forty-four thousand, one hundred sixty-one".