53320064 has 32 divisors (see below), whose sum is σ = 121400400. Its totient is φ = 22851072.

The previous prime is 53320051. The next prime is 53320079. The reversal of 53320064 is 46002335.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28859 + ... + 30650.

Almost surely, 2^53320064 is an apocalyptic number.

It is an amenable number.

53320064 is an abundant number, since it is smaller than the sum of its proper divisors (68080336).

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

53320064 is an equidigital number, since it uses as much as digits as its factorization.

53320064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59530 (or 59518 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 53320064 is about 7302.0588877384. The cubic root of 53320064 is about 376.3831916612.

Adding to 53320064 its reverse (46002335), we get a palindrome (99322399).

The spelling of 53320064 in words is "fifty-three million, three hundred twenty thousand, sixty-four".