47855689 has 16 divisors (see below), whose sum is σ = 57490048. Its totient is φ = 38973312.

The previous prime is 47855681. The next prime is 47855707. The reversal of 47855689 is 98655874.

It is not a de Polignac number, because 47855689 - 2³ = 47855681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47855681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8989 + ... + 13285.

It is an arithmetic number, because the mean of its divisors is an integer number (3593128).

Almost surely, 2^47855689 is an apocalyptic number.

It is an amenable number.

47855689 is a deficient number, since it is larger than the sum of its proper divisors (9634359).

47855689 is a wasteful number, since it uses less digits than its factorization.

47855689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384.

The product of its digits is 2419200, while the sum is 52.

The square root of 47855689 is about 6917.7806412172. The cubic root of 47855689 is about 363.0595439462.

The spelling of 47855689 in words is "forty-seven million, eight hundred fifty-five thousand, six hundred eighty-nine".