53329688 has 16 divisors (see below), whose sum is σ = 100609080. Its totient is φ = 26500608.

The previous prime is 53329681. The next prime is 53329693. The reversal of 53329688 is 88692335.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53329681) 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, 19145 + ... + 21752.

Almost surely, 2^53329688 is an apocalyptic number.

It is an amenable number.

53329688 is a deficient number, since it is larger than the sum of its proper divisors (47279392).

53329688 is a wasteful number, since it uses less digits than its factorization.

53329688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41066 (or 41062 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 53329688 is about 7302.7178502254. The cubic root of 53329688 is about 376.4058353820.

The spelling of 53329688 in words is "fifty-three million, three hundred twenty-nine thousand, six hundred eighty-eight".