53308608 has 56 divisors (see below), whose sum is σ = 142494000. Its totient is φ = 17587200.

The previous prime is 53308603. The next prime is 53308613. The reversal of 53308608 is 80680335.

It is an interprime number because it is at equal distance from previous prime (53308603) and next prime (53308613).

It is not an unprimeable number, because it can be changed into a prime (53308603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18018 + ... + 20766.

Almost surely, 2^53308608 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 53308608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71247000).

53308608 is an abundant number, since it is smaller than the sum of its proper divisors (89185392).

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

53308608 is a wasteful number, since it uses less digits than its factorization.

53308608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 53308608 is about 7301.2744093069. The cubic root of 53308608 is about 376.3562339874.

The spelling of 53308608 in words is "fifty-three million, three hundred eight thousand, six hundred eight".