47171488 has 96 divisors (see below), whose sum is σ = 116169984. Its totient is φ = 18358272.

The previous prime is 47171479. The next prime is 47171489. The reversal of 47171488 is 88417174.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 47171488.

It is not an unprimeable number, because it can be changed into a prime (47171489) 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, 282381 + ... + 282547.

It is an arithmetic number, because the mean of its divisors is an integer number (1210104).

Almost surely, 2^47171488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47171488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58084992).

47171488 is an abundant number, since it is smaller than the sum of its proper divisors (68998496).

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

47171488 is a wasteful number, since it uses less digits than its factorization.

47171488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 286 counting only the distinct ones).

The product of its digits is 50176, while the sum is 40.

The square root of 47171488 is about 6868.1502604413. The cubic root of 47171488 is about 361.3209904267.

The spelling of 47171488 in words is "forty-seven million, one hundred seventy-one thousand, four hundred eighty-eight".