53285766 has 48 divisors (see below), whose sum is σ = 114354864. Its totient is φ = 16547328.

The previous prime is 53285761. The next prime is 53285777. The reversal of 53285766 is 66758235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53285761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157950 + ... + 158286.

It is an arithmetic number, because the mean of its divisors is an integer number (2382393).

Almost surely, 2^53285766 is an apocalyptic number.

53285766 is an abundant number, since it is smaller than the sum of its proper divisors (61069098).

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

53285766 is a wasteful number, since it uses less digits than its factorization.

53285766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 434 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 53285766 is about 7299.7099942395. The cubic root of 53285766 is about 376.3024718304.

The spelling of 53285766 in words is "fifty-three million, two hundred eighty-five thousand, seven hundred sixty-six".