47655280 has 40 divisors (see below), whose sum is σ = 112149072. Its totient is φ = 18829824.

The previous prime is 47655263. The next prime is 47655281. The reversal of 47655280 is 8255674.

It is a happy number.

47655280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47655281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3052 + ... + 10228.

Almost surely, 2^47655280 is an apocalyptic number.

47655280 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 47655280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56074536).

47655280 is an abundant number, since it is smaller than the sum of its proper divisors (64493792).

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

47655280 is a wasteful number, since it uses less digits than its factorization.

47655280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273 (or 7267 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 47655280 is about 6903.2803796456. The cubic root of 47655280 is about 362.5520305815.

The spelling of 47655280 in words is "forty-seven million, six hundred fifty-five thousand, two hundred eighty".