53284747 has 4 divisors (see below), whose sum is σ = 53425720. Its totient is φ = 53143776.

The previous prime is 53284741. The next prime is 53284787. The reversal of 53284747 is 74748235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53284747 - 2³ = 53284739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53284741) 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, 69918 + ... + 70675.

It is an arithmetic number, because the mean of its divisors is an integer number (13356430).

Almost surely, 2^53284747 is an apocalyptic number.

53284747 is a deficient number, since it is larger than the sum of its proper divisors (140973).

53284747 is a wasteful number, since it uses less digits than its factorization.

53284747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140972.

The product of its digits is 188160, while the sum is 40.

The square root of 53284747 is about 7299.6401966124. The cubic root of 53284747 is about 376.3000730994.

The spelling of 53284747 in words is "fifty-three million, two hundred eighty-four thousand, seven hundred forty-seven".