53766568 has 8 divisors (see below), whose sum is σ = 100812330. Its totient is φ = 26883280.

The previous prime is 53766553. The next prime is 53766569. The reversal of 53766568 is 86566735.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 213444 = 7318^2 + 462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (53766569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360403 + ... + 3360418.

Almost surely, 2^53766568 is an apocalyptic number.

It is an amenable number.

53766568 is a deficient number, since it is larger than the sum of its proper divisors (47045762).

53766568 is a wasteful number, since it uses less digits than its factorization.

53766568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720827 (or 6720823 counting only the distinct ones).

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

The square root of 53766568 is about 7332.5689904698. The cubic root of 53766568 is about 377.4308877469.

The spelling of 53766568 in words is "fifty-three million, seven hundred sixty-six thousand, five hundred sixty-eight".