53216828 has 24 divisors (see below), whose sum is σ = 107218272. Its totient is φ = 22639104.

The previous prime is 53216803. The next prime is 53216857. The reversal of 53216828 is 82861235.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3101 + ... + 10772.

It is an arithmetic number, because the mean of its divisors is an integer number (4467428).

Almost surely, 2^53216828 is an apocalyptic number.

It is an amenable number.

53216828 is an abundant number, since it is smaller than the sum of its proper divisors (54001444).

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

53216828 is a wasteful number, since it uses less digits than its factorization.

53216828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14021 (or 14019 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 53216828 is about 7294.9864975886. The cubic root of 53216828 is about 376.1401224389.

The spelling of 53216828 in words is "fifty-three million, two hundred sixteen thousand, eight hundred twenty-eight".