53816312 has 16 divisors (see below), whose sum is σ = 110079000. Its totient is φ = 24461920.

The previous prime is 53816311. The next prime is 53816317. The reversal of 53816312 is 21361835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53816311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305687 + ... + 305862.

Almost surely, 2^53816312 is an apocalyptic number.

It is an amenable number.

53816312 is an abundant number, since it is smaller than the sum of its proper divisors (56262688).

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

53816312 is a wasteful number, since it uses less digits than its factorization.

53816312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611566 (or 611562 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 53816312 is about 7335.9601961843. The cubic root of 53816312 is about 377.5472496155.

The spelling of 53816312 in words is "fifty-three million, eight hundred sixteen thousand, three hundred twelve".