53299688 has 16 divisors (see below), whose sum is σ = 107624580. Its totient is φ = 24599808.

The previous prime is 53299681. The next prime is 53299691. The reversal of 53299688 is 88699235.

53299688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45131524 + 8168164 = 6718^2 + 2858^2 .

It is a super-3 number, since 3×53299688³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53299681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256145 + ... + 256352.

Almost surely, 2^53299688 is an apocalyptic number.

It is an amenable number.

53299688 is an abundant number, since it is smaller than the sum of its proper divisors (54324892).

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

53299688 is a wasteful number, since it uses less digits than its factorization.

53299688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512516 (or 512512 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 53299688 is about 7300.6635314881. The cubic root of 53299688 is about 376.3352412247.

The spelling of 53299688 in words is "fifty-three million, two hundred ninety-nine thousand, six hundred eighty-eight".