53648688 has 20 divisors (see below), whose sum is σ = 138592568. Its totient is φ = 17882880.

The previous prime is 53648681. The next prime is 53648701. The reversal of 53648688 is 88684635.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1117681 = 53648688 / (5 + 3 + 6 + 4 + 8 + 6 + 8 + 8).

It is not an unprimeable number, because it can be changed into a prime (53648681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558793 + ... + 558888.

Almost surely, 2^53648688 is an apocalyptic number.

It is an amenable number.

53648688 is an abundant number, since it is smaller than the sum of its proper divisors (84943880).

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

53648688 is a wasteful number, since it uses less digits than its factorization.

53648688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117692 (or 1117686 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 53648688 is about 7324.5264693357. The cubic root of 53648688 is about 377.1548543343.

The spelling of 53648688 in words is "fifty-three million, six hundred forty-eight thousand, six hundred eighty-eight".