53728356 has 36 divisors (see below), whose sum is σ = 137802896. Its totient is φ = 16280880.

The previous prime is 53728351. The next prime is 53728361. The reversal of 53728356 is 65382735.

53728356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53728351) and next prime (53728361).

It is not an unprimeable number, because it can be changed into a prime (53728351) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17050 + ... + 19953.

Almost surely, 2^53728356 is an apocalyptic number.

It is an amenable number.

53728356 is an abundant number, since it is smaller than the sum of its proper divisors (84074540).

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

53728356 is a wasteful number, since it uses less digits than its factorization.

53728356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37032 (or 37019 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 53728356 is about 7329.9628921298. The cubic root of 53728356 is about 377.3414529448.

The spelling of 53728356 in words is "fifty-three million, seven hundred twenty-eight thousand, three hundred fifty-six".