53303656 has 16 divisors (see below), whose sum is σ = 114222240. Its totient is φ = 22844400.

The previous prime is 53303641. The next prime is 53303681. The reversal of 53303656 is 65630335.

53303656 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 3 ways as a sum of consecutive naturals, for example, 475870 + ... + 475981.

It is an arithmetic number, because the mean of its divisors is an integer number (7138890).

Almost surely, 2^53303656 is an apocalyptic number.

53303656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53303656 is an abundant number, since it is smaller than the sum of its proper divisors (60918584).

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

53303656 is a wasteful number, since it uses less digits than its factorization.

53303656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951864 (or 951860 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 31.

The square root of 53303656 is about 7300.9352825511. The cubic root of 53303656 is about 376.3445799985.

The spelling of 53303656 in words is "fifty-three million, three hundred three thousand, six hundred fifty-six".