53284533 has 4 divisors (see below), whose sum is σ = 71046048. Its totient is φ = 35523020.

The previous prime is 53284507. The next prime is 53284573. The reversal of 53284533 is 33548235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53284533 - 2⁸ = 53284277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53284494 and 53284503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53284573) 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, 8880753 + ... + 8880758.

It is an arithmetic number, because the mean of its divisors is an integer number (17761512).

Almost surely, 2^53284533 is an apocalyptic number.

It is an amenable number.

53284533 is a deficient number, since it is larger than the sum of its proper divisors (17761515).

53284533 is a wasteful number, since it uses less digits than its factorization.

53284533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17761514.

The product of its digits is 43200, while the sum is 33.

The square root of 53284533 is about 7299.6255383410. The cubic root of 53284533 is about 376.2995693385.

The spelling of 53284533 in words is "fifty-three million, two hundred eighty-four thousand, five hundred thirty-three".