54573545165 has 16 divisors (see below), whose sum is σ = 68240994480. Its totient is φ = 41845655040.

The previous prime is 54573545153. The next prime is 54573545167. The reversal of 54573545165 is 56154537545.

It can be written as a sum of positive squares in 8 ways, for example, as 6655459561 + 47918085604 = 81581^2 + 218902^2 .

It is not a de Polignac number, because 54573545165 - 2¹⁰ = 54573544141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54573545167) 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, 1353746 + ... + 1393475.

It is an arithmetic number, because the mean of its divisors is an integer number (4265062155).

Almost surely, 2^54573545165 is an apocalyptic number.

It is an amenable number.

54573545165 is a deficient number, since it is larger than the sum of its proper divisors (13667449315).

54573545165 is a wasteful number, since it uses less digits than its factorization.

54573545165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747392.

The product of its digits is 6300000, while the sum is 50.

The spelling of 54573545165 in words is "fifty-four billion, five hundred seventy-three million, five hundred forty-five thousand, one hundred sixty-five".