53067816 has 24 divisors (see below), whose sum is σ = 143725530. Its totient is φ = 17689248.

The previous prime is 53067809. The next prime is 53067821. The reversal of 53067816 is 61876035.

It can be written as a sum of positive squares in only one way, i.e., 46867716 + 6200100 = 6846^2 + 2490^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368455 + ... + 368598.

Almost surely, 2^53067816 is an apocalyptic number.

It is an amenable number.

53067816 is an abundant number, since it is smaller than the sum of its proper divisors (90657714).

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

53067816 is a wasteful number, since it uses less digits than its factorization.

53067816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737065 (or 737058 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 53067816 is about 7284.7660223236. The cubic root of 53067816 is about 375.7887186314.

The spelling of 53067816 in words is "fifty-three million, sixty-seven thousand, eight hundred sixteen".