47111856 has 40 divisors (see below), whose sum is σ = 132771264. Its totient is φ = 14276160.

The previous prime is 47111839. The next prime is 47111881. The reversal of 47111856 is 65811174.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44086 + ... + 45141.

Almost surely, 2^47111856 is an apocalyptic number.

It is an amenable number.

47111856 is an abundant number, since it is smaller than the sum of its proper divisors (85659408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47111856 is a wasteful number, since it uses less digits than its factorization.

47111856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89249 (or 89243 counting only the distinct ones).

The product of its digits is 6720, while the sum is 33.

The square root of 47111856 is about 6863.8076896137. The cubic root of 47111856 is about 361.1686711630.

It can be divided in two parts, 471118 and 56, that added together give a palindrome (471174).

The spelling of 47111856 in words is "forty-seven million, one hundred eleven thousand, eight hundred fifty-six".