53329818 has 16 divisors (see below), whose sum is σ = 107716896. Its totient is φ = 17600400.

The previous prime is 53329817. The next prime is 53329823. The reversal of 53329818 is 81892335.

It is not an unprimeable number, because it can be changed into a prime (53329817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43396 + ... + 44607.

It is an arithmetic number, because the mean of its divisors is an integer number (6732306).

Almost surely, 2^53329818 is an apocalyptic number.

53329818 is an abundant number, since it is smaller than the sum of its proper divisors (54387078).

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

53329818 is a wasteful number, since it uses less digits than its factorization.

53329818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88109.

The product of its digits is 51840, while the sum is 39.

The square root of 53329818 is about 7302.7267510157. The cubic root of 53329818 is about 376.4061412324.

The spelling of 53329818 in words is "fifty-three million, three hundred twenty-nine thousand, eight hundred eighteen".