47056215 has 8 divisors (see below), whose sum is σ = 75289968. Its totient is φ = 25096640.

The previous prime is 47056213. The next prime is 47056253. The reversal of 47056215 is 51265074.

47056215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 47056215 - 2¹ = 47056213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47056211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1568526 + ... + 1568555.

It is an arithmetic number, because the mean of its divisors is an integer number (9411246).

Almost surely, 2^47056215 is an apocalyptic number.

47056215 is a deficient number, since it is larger than the sum of its proper divisors (28233753).

47056215 is a wasteful number, since it uses less digits than its factorization.

47056215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137089.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 47056215 is about 6859.7532754466. The cubic root of 47056215 is about 361.0264302337.

The spelling of 47056215 in words is "forty-seven million, fifty-six thousand, two hundred fifteen".