53816512 has 28 divisors (see below), whose sum is σ = 112415320. Its totient is φ = 25491456.

The previous prime is 53816507. The next prime is 53816533. The reversal of 53816512 is 21561835.

It is a super-2 number, since 2×53816512² = 5792433927692288, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 20913 + ... + 23344.

Almost surely, 2^53816512 is an apocalyptic number.

It is an amenable number.

53816512 is an abundant number, since it is smaller than the sum of its proper divisors (58598808).

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

53816512 is a wasteful number, since it uses less digits than its factorization.

53816512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44288 (or 44278 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 53816512 is about 7335.9738276523. The cubic root of 53816512 is about 377.5477173136.

The spelling of 53816512 in words is "fifty-three million, eight hundred sixteen thousand, five hundred twelve".