53847680 has 32 divisors (see below), whose sum is σ = 128731140. Its totient is φ = 21538816.

The previous prime is 53847649. The next prime is 53847697. The reversal of 53847680 is 8674835.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53114944 + 732736 = 7288^2 + 856^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41429 + ... + 42708.

Almost surely, 2^53847680 is an apocalyptic number.

It is an amenable number.

53847680 is an abundant number, since it is smaller than the sum of its proper divisors (74883460).

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

53847680 is an equidigital number, since it uses as much as digits as its factorization.

53847680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84156 (or 84144 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 53847680 is about 7338.0978461724. The cubic root of 53847680 is about 377.6205892249.

The spelling of 53847680 in words is "fifty-three million, eight hundred forty-seven thousand, six hundred eighty".