53666048 has 36 divisors (see below), whose sum is σ = 109756668. Its totient is φ = 26173440.

The previous prime is 53666033. The next prime is 53666069. The reversal of 53666048 is 84066635.

It can be written as a sum of positive squares in 2 ways, for example, as 1364224 + 52301824 = 1168^2 + 7232^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7940 + ... + 13052.

Almost surely, 2^53666048 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 53666048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54878334).

53666048 is an abundant number, since it is smaller than the sum of its proper divisors (56090620).

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

53666048 is an equidigital number, since it uses as much as digits as its factorization.

53666048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170 (or 5156 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 53666048 is about 7325.7114330282. The cubic root of 53666048 is about 377.1955307076.

The spelling of 53666048 in words is "fifty-three million, six hundred sixty-six thousand, forty-eight".