53567668 has 72 divisors (see below), whose sum is σ = 119704256. Its totient is φ = 20528640.

The previous prime is 53567651. The next prime is 53567671. The reversal of 53567668 is 86676535.

It is a happy number.

Its product of digits (907200) is a multiple of the sum of its prime divisors (280).

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 23 ways as a sum of consecutive naturals, for example, 328555 + ... + 328717.

Almost surely, 2^53567668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53567668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59852128).

53567668 is an abundant number, since it is smaller than the sum of its proper divisors (66136588).

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

53567668 is a wasteful number, since it uses less digits than its factorization.

53567668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 280 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 53567668 is about 7318.9936466703. The cubic root of 53567668 is about 376.9648995082.

The spelling of 53567668 in words is "fifty-three million, five hundred sixty-seven thousand, six hundred sixty-eight".