53299968 has 36 divisors (see below), whose sum is σ = 141857688. Its totient is φ = 17766400.

The previous prime is 53299963. The next prime is 53299969. The reversal of 53299968 is 86999235.

It is a self number, because there is not a number n which added to its sum of digits gives 53299968.

It is not an unprimeable number, because it can be changed into a prime (53299963) 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, 33933 + ... + 35468.

Almost surely, 2^53299968 is an apocalyptic number.

It is an amenable number.

53299968 is an abundant number, since it is smaller than the sum of its proper divisors (88557720).

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

53299968 is an equidigital number, since it uses as much as digits as its factorization.

53299968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69420 (or 69406 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 51.

The square root of 53299968 is about 7300.6827078021. The cubic root of 53299968 is about 376.3359002260.

The spelling of 53299968 in words is "fifty-three million, two hundred ninety-nine thousand, nine hundred sixty-eight".