47655161 has 4 divisors (see below), whose sum is σ = 48817524. Its totient is φ = 46492800.

The previous prime is 47655121. The next prime is 47655191. The reversal of 47655161 is 16155674.

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 6451600 + 41203561 = 2540^2 + 6419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47655161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47655121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581120 + ... + 581201.

It is an arithmetic number, because the mean of its divisors is an integer number (12204381).

Almost surely, 2^47655161 is an apocalyptic number.

47655161 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

47655161 is a deficient number, since it is larger than the sum of its proper divisors (1162363).

47655161 is a wasteful number, since it uses less digits than its factorization.

47655161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162362.

The product of its digits is 25200, while the sum is 35.

The square root of 47655161 is about 6903.2717605495. The cubic root of 47655161 is about 362.5517288050.

The spelling of 47655161 in words is "forty-seven million, six hundred fifty-five thousand, one hundred sixty-one".