47305545 has 16 divisors (see below), whose sum is σ = 86501760. Its totient is φ = 21625344.

The previous prime is 47305523. The next prime is 47305553. The reversal of 47305545 is 54550374.

47305545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47305545 - 2¹³ = 47297353 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225160 + ... + 225369.

It is an arithmetic number, because the mean of its divisors is an integer number (5406360).

Almost surely, 2^47305545 is an apocalyptic number.

It is an amenable number.

47305545 is a deficient number, since it is larger than the sum of its proper divisors (39196215).

47305545 is a wasteful number, since it uses less digits than its factorization.

47305545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450544.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 47305545 is about 6877.9026599684. The cubic root of 47305545 is about 361.6629469581.

The spelling of 47305545 in words is "forty-seven million, three hundred five thousand, five hundred forty-five".