53443316 has 12 divisors (see below), whose sum is σ = 93693600. Its totient is φ = 26673720.

The previous prime is 53443307. The next prime is 53443331. The reversal of 53443316 is 61334435.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9416 + ... + 13983.

It is an arithmetic number, because the mean of its divisors is an integer number (7807800).

Almost surely, 2^53443316 is an apocalyptic number.

It is an amenable number.

53443316 is a deficient number, since it is larger than the sum of its proper divisors (40250284).

53443316 is a wasteful number, since it uses less digits than its factorization.

53443316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23974 (or 23972 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 53443316 is about 7310.4935537896. The cubic root of 53443316 is about 376.6729780271.

The spelling of 53443316 in words is "fifty-three million, four hundred forty-three thousand, three hundred sixteen".