54814335512161 has 4 divisors (see below), whose sum is σ = 55430226922500. Its totient is φ = 54198444101824.

The previous prime is 54814335512159. The next prime is 54814335512227. The reversal of 54814335512161 is 16121553341845.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7058288681536 + 47756046830625 = 2656744^2 + 6910575^2 .

It is a cyclic number.

It is not a de Polignac number, because 54814335512161 - 2¹ = 54814335512159 is a prime.

It is a super-2 number, since 2×54814335512161² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54814335512861) 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, 307945705036 + ... + 307945705213.

It is an arithmetic number, because the mean of its divisors is an integer number (13857556730625).

Almost surely, 2^{54814335512161} is an apocalyptic number.

It is an amenable number.

54814335512161 is a deficient number, since it is larger than the sum of its proper divisors (615891410339).

54814335512161 is an equidigital number, since it uses as much as digits as its factorization.

54814335512161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615891410338.

The product of its digits is 1728000, while the sum is 49.

The spelling of 54814335512161 in words is "fifty-four trillion, eight hundred fourteen billion, three hundred thirty-five million, five hundred twelve thousand, one hundred sixty-one".