53720368 has 30 divisors (see below), whose sum is σ = 112711164. Its totient is φ = 24792768.

The previous prime is 53720347. The next prime is 53720377. The reversal of 53720368 is 86302735.

53720368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7230 + ... + 12637.

Almost surely, 2^53720368 is an apocalyptic number.

It is an amenable number.

53720368 is an abundant number, since it is smaller than the sum of its proper divisors (58990796).

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

53720368 is a wasteful number, since it uses less digits than its factorization.

53720368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19901 (or 19882 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 53720368 is about 7329.4179850790. The cubic root of 53720368 is about 377.3227517527.

The spelling of 53720368 in words is "fifty-three million, seven hundred twenty thousand, three hundred sixty-eight".