47028155 has 8 divisors (see below), whose sum is σ = 56581200. Its totient is φ = 37524256.

The previous prime is 47028151. The next prime is 47028181. The reversal of 47028155 is 55182074.

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 47028155 - 2² = 47028151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47028151) 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 7 ways as a sum of consecutive naturals, for example, 10145 + ... + 14034.

It is an arithmetic number, because the mean of its divisors is an integer number (7072650).

Almost surely, 2^47028155 is an apocalyptic number.

47028155 is a deficient number, since it is larger than the sum of its proper divisors (9553045).

47028155 is a wasteful number, since it uses less digits than its factorization.

47028155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24573.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 47028155 is about 6857.7077073903. The cubic root of 47028155 is about 360.9546549757.

The spelling of 47028155 in words is "forty-seven million, twenty-eight thousand, one hundred fifty-five".