53310720 has 72 divisors (see below), whose sum is σ = 170273376. Its totient is φ = 14215168.

The previous prime is 53310709. The next prime is 53310727. The reversal of 53310720 is 2701335.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53310727) 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 7 ways as a sum of consecutive naturals, for example, 3102 + ... + 10781.

It is an arithmetic number, because the mean of its divisors is an integer number (2364908).

Almost surely, 2^53310720 is an apocalyptic number.

It is an amenable number.

53310720 is an abundant number, since it is smaller than the sum of its proper divisors (116962656).

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

53310720 is a wasteful number, since it uses less digits than its factorization.

53310720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13907 (or 13893 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 53310720 is about 7301.4190401592. The cubic root of 53310720 is about 376.3612041282.

The spelling of 53310720 in words is "fifty-three million, three hundred ten thousand, seven hundred twenty".