47316561 has 8 divisors (see below), whose sum is σ = 63367584. Its totient is φ = 31404960.

The previous prime is 47316551. The next prime is 47316569. The reversal of 47316561 is 16561374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47316561 - 2¹⁰ = 47315537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47316569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34060 + ... + 35421.

It is an arithmetic number, because the mean of its divisors is an integer number (7920948).

Almost surely, 2^47316561 is an apocalyptic number.

It is an amenable number.

47316561 is a deficient number, since it is larger than the sum of its proper divisors (16051023).

47316561 is a wasteful number, since it uses less digits than its factorization.

47316561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69711.

The product of its digits is 15120, while the sum is 33.

The square root of 47316561 is about 6878.7034388757. The cubic root of 47316561 is about 361.6910181550.

The spelling of 47316561 in words is "forty-seven million, three hundred sixteen thousand, five hundred sixty-one".