53530340 has 24 divisors (see below), whose sum is σ = 112552440. Its totient is φ = 21385728.

The previous prime is 53530333. The next prime is 53530363. The reversal of 53530340 is 4303535.

53530340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3290596 + 50239744 = 1814^2 + 7088^2 .

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 7 ways as a sum of consecutive naturals, for example, 27644 + ... + 29516.

It is an arithmetic number, because the mean of its divisors is an integer number (4689685).

Almost surely, 2^53530340 is an apocalyptic number.

It is an amenable number.

53530340 is an abundant number, since it is smaller than the sum of its proper divisors (59022100).

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

53530340 is a wasteful number, since it uses less digits than its factorization.

53530340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311 (or 3309 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 53530340 is about 7316.4431249071. The cubic root of 53530340 is about 376.8773179748.

Adding to 53530340 its reverse (4303535), we get a palindrome (57833875).

The spelling of 53530340 in words is "fifty-three million, five hundred thirty thousand, three hundred forty".