47573541545 has 4 divisors (see below), whose sum is σ = 57088249860. Its totient is φ = 38058833232.

The previous prime is 47573541487. The next prime is 47573541569. The reversal of 47573541545 is 54514537574.

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 33689868304 + 13883673241 = 183548^2 + 117829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47573541545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47573541493 and 47573541502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4757354150 + ... + 4757354159.

It is an arithmetic number, because the mean of its divisors is an integer number (14272062465).

Almost surely, 2^47573541545 is an apocalyptic number.

It is an amenable number.

47573541545 is a deficient number, since it is larger than the sum of its proper divisors (9514708315).

47573541545 is an equidigital number, since it uses as much as digits as its factorization.

47573541545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514708314.

The product of its digits is 5880000, while the sum is 50.

The spelling of 47573541545 in words is "forty-seven billion, five hundred seventy-three million, five hundred forty-one thousand, five hundred forty-five".