47543320 has 128 divisors (see below), whose sum is σ = 126489600. Its totient is φ = 16030080.

The previous prime is 47543317. The next prime is 47543333. The reversal of 47543320 is 2334574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1011537 + ... + 1011583.

It is an arithmetic number, because the mean of its divisors is an integer number (988200).

Almost surely, 2^47543320 is an apocalyptic number.

47543320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47543320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63244800).

47543320 is an abundant number, since it is smaller than the sum of its proper divisors (78946280).

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

47543320 is a wasteful number, since it uses less digits than its factorization.

47543320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 47543320 is about 6895.1664229372. The cubic root of 47543320 is about 362.2678846978.

Adding to 47543320 its reverse (2334574), we get a palindrome (49877894).

The spelling of 47543320 in words is "forty-seven million, five hundred forty-three thousand, three hundred twenty".