47545117 has 16 divisors (see below), whose sum is σ = 51351552. Its totient is φ = 43908480.

The previous prime is 47545097. The next prime is 47545151. The reversal of 47545117 is 71154574.

It is a cyclic number.

It is not a de Polignac number, because 47545117 - 2⁷ = 47544989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47545177) 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, 119563 + ... + 119959.

It is an arithmetic number, because the mean of its divisors is an integer number (3209472).

Almost surely, 2^47545117 is an apocalyptic number.

It is an amenable number.

47545117 is a deficient number, since it is larger than the sum of its proper divisors (3806435).

47545117 is a wasteful number, since it uses less digits than its factorization.

47545117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its digits is 19600, while the sum is 34.

The square root of 47545117 is about 6895.2967303808. The cubic root of 47545117 is about 362.2724488664.

The spelling of 47545117 in words is "forty-seven million, five hundred forty-five thousand, one hundred seventeen".