53428885 has 16 divisors (see below), whose sum is σ = 67760640. Its totient is φ = 40360320.

The previous prime is 53428877. The next prime is 53428889. The reversal of 53428885 is 58882435.

53428885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53428885 - 2³ = 53428877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53428889) 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 15 ways as a sum of consecutive naturals, for example, 6145 + ... + 12025.

It is an arithmetic number, because the mean of its divisors is an integer number (4235040).

Almost surely, 2^53428885 is an apocalyptic number.

It is an amenable number.

53428885 is a deficient number, since it is larger than the sum of its proper divisors (14331755).

53428885 is a wasteful number, since it uses less digits than its factorization.

53428885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5988.

The product of its digits is 307200, while the sum is 43.

The square root of 53428885 is about 7309.5064812886. The cubic root of 53428885 is about 376.6390713418.

The spelling of 53428885 in words is "fifty-three million, four hundred twenty-eight thousand, eight hundred eighty-five".