53383320 has 64 divisors (see below), whose sum is σ = 177948000. Its totient is φ = 14235264.

The previous prime is 53383313. The next prime is 53383327. The reversal of 53383320 is 2338335.

It is a happy number.

53383320 is a `hidden beast` number, since 5 + 338 + 3 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (53383313) and next prime (53383327).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53383327) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23635 + ... + 25794.

Almost surely, 2^53383320 is an apocalyptic number.

It is an amenable number.

53383320 is an abundant number, since it is smaller than the sum of its proper divisors (124564680).

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

53383320 is a wasteful number, since it uses less digits than its factorization.

53383320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49449 (or 49439 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 53383320 is about 7306.3889849911. The cubic root of 53383320 is about 376.5319729677.

The spelling of 53383320 in words is "fifty-three million, three hundred eighty-three thousand, three hundred twenty".