53555028 has 12 divisors (see below), whose sum is σ = 124961760. Its totient is φ = 17851672.

The previous prime is 53555023. The next prime is 53555071. The reversal of 53555028 is 82055535.

53555028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 53555028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53555023) 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 3 ways as a sum of consecutive naturals, for example, 2231448 + ... + 2231471.

It is an arithmetic number, because the mean of its divisors is an integer number (10413480).

Almost surely, 2^53555028 is an apocalyptic number.

It is an amenable number.

53555028 is an abundant number, since it is smaller than the sum of its proper divisors (71406732).

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

53555028 is a wasteful number, since it uses less digits than its factorization.

53555028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4462926 (or 4462924 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 53555028 is about 7318.1300890323. The cubic root of 53555028 is about 376.9352472239.

The spelling of 53555028 in words is "fifty-three million, five hundred fifty-five thousand, twenty-eight".