5471365545 has 24 divisors (see below), whose sum is σ = 9485818056. Its totient is φ = 2917410048.

The previous prime is 5471365541. The next prime is 5471365547. The reversal of 5471365545 is 5455631745.

5471365545 is a `hidden beast` number, since 5 + 4 + 71 + 36 + 5 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 127170729 + 5344194816 = 11277^2 + 73104^2 .

It is not a de Polignac number, because 5471365545 - 2² = 5471365541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5471365545.

It is not an unprimeable number, because it can be changed into a prime (5471365541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243819 + ... + 265311.

It is an arithmetic number, because the mean of its divisors is an integer number (395242419).

Almost surely, 2^5471365545 is an apocalyptic number.

It is an amenable number.

5471365545 is a deficient number, since it is larger than the sum of its proper divisors (4014452511).

5471365545 is a wasteful number, since it uses less digits than its factorization.

5471365545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27161 (or 27158 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The square root of 5471365545 is about 73968.6794866584. The cubic root of 5471365545 is about 1762.1055148511.

The spelling of 5471365545 in words is "five billion, four hundred seventy-one million, three hundred sixty-five thousand, five hundred forty-five".