47935161 has 12 divisors (see below), whose sum is σ = 70546788. Its totient is φ = 31353504.

The previous prime is 47935117. The next prime is 47935163. The reversal of 47935161 is 16153974.

It can be written as a sum of positive squares in 2 ways, for example, as 44156025 + 3779136 = 6645^2 + 1944^2 .

It is not a de Polignac number, because 47935161 - 2¹¹ = 47933113 is a prime.

It is a super-3 number, since 3×47935161³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (47935163) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 49770 + ... + 50723.

It is an arithmetic number, because the mean of its divisors is an integer number (5878899).

Almost surely, 2^47935161 is an apocalyptic number.

It is an amenable number.

47935161 is a deficient number, since it is larger than the sum of its proper divisors (22611627).

47935161 is a wasteful number, since it uses less digits than its factorization.

47935161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100552 (or 100549 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 47935161 is about 6923.5222972126. The cubic root of 47935161 is about 363.2604055484.

The spelling of 47935161 in words is "forty-seven million, nine hundred thirty-five thousand, one hundred sixty-one".