53284666 has 8 divisors (see below), whose sum is σ = 81876564. Its totient is φ = 25992480.

The previous prime is 53284661. The next prime is 53284667. The reversal of 53284666 is 66648235.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50708641 + 2576025 = 7121^2 + 1605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53284661) 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, 324825 + ... + 324988.

Almost surely, 2^53284666 is an apocalyptic number.

53284666 is a deficient number, since it is larger than the sum of its proper divisors (28591898).

53284666 is a wasteful number, since it uses less digits than its factorization.

53284666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649856.

The product of its digits is 207360, while the sum is 40.

The square root of 53284666 is about 7299.6346483917. The cubic root of 53284666 is about 376.2998824237.

The spelling of 53284666 in words is "fifty-three million, two hundred eighty-four thousand, six hundred sixty-six".