53284530 has 64 divisors (see below), whose sum is σ = 138475008. Its totient is φ = 13044480.

The previous prime is 53284507. The next prime is 53284573. The reversal of 53284530 is 3548235.

53284530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53284530² = 5678482274641800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123415 + ... + 123845.

It is an arithmetic number, because the mean of its divisors is an integer number (2163672).

Almost surely, 2^53284530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53284530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69237504).

53284530 is an abundant number, since it is smaller than the sum of its proper divisors (85190478).

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

53284530 is a wasteful number, since it uses less digits than its factorization.

53284530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 53284530 is about 7299.6253328510. The cubic root of 53284530 is about 376.2995622764.

The spelling of 53284530 in words is "fifty-three million, two hundred eighty-four thousand, five hundred thirty".