47156855 has 8 divisors (see below), whose sum is σ = 56670432. Its totient is φ = 37670688.

The previous prime is 47156849. The next prime is 47156869. The reversal of 47156855 is 55865174.

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

It is a cyclic number.

It is not a de Polignac number, because 47156855 - 2¹⁰ = 47155831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2852 + ... + 10121.

It is an arithmetic number, because the mean of its divisors is an integer number (7083804).

Almost surely, 2^47156855 is an apocalyptic number.

47156855 is a deficient number, since it is larger than the sum of its proper divisors (9513577).

47156855 is a wasteful number, since it uses less digits than its factorization.

47156855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13705.

The product of its digits is 168000, while the sum is 41.

The square root of 47156855 is about 6867.0848982665. The cubic root of 47156855 is about 361.2836249397.

The spelling of 47156855 in words is "forty-seven million, one hundred fifty-six thousand, eight hundred fifty-five".