53387828 has 24 divisors (see below), whose sum is σ = 103864320. Its totient is φ = 23844960.

The previous prime is 53387827. The next prime is 53387833. The reversal of 53387828 is 82878335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53387821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14948 + ... + 18171.

It is an arithmetic number, because the mean of its divisors is an integer number (4327680).

Almost surely, 2^53387828 is an apocalyptic number.

It is an amenable number.

53387828 is a deficient number, since it is larger than the sum of its proper divisors (50476492).

53387828 is a wasteful number, since it uses less digits than its factorization.

53387828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33167 (or 33165 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 53387828 is about 7306.6974756041. The cubic root of 53387828 is about 376.5425715239.

It can be divided in two parts, 5 and 3387828, that added together give a palindrome (3387833).

The spelling of 53387828 in words is "fifty-three million, three hundred eighty-seven thousand, eight hundred twenty-eight".