53530450 has 48 divisors (see below), whose sum is σ = 107028864. Its totient is φ = 19846400.

The previous prime is 53530427. The next prime is 53530457. The reversal of 53530450 is 5403535.

It is a happy number.

53530450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53530457) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 59907 + ... + 60793.

It is an arithmetic number, because the mean of its divisors is an integer number (2229768).

Almost surely, 2^53530450 is an apocalyptic number.

53530450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53530450 is a deficient number, since it is larger than the sum of its proper divisors (53498414).

53530450 is a wasteful number, since it uses less digits than its factorization.

53530450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 53530450 is about 7316.4506422172. The cubic root of 53530450 is about 376.8775761242.

Adding to 53530450 its reverse (5403535), we get a palindrome (58933985).

The spelling of 53530450 in words is "fifty-three million, five hundred thirty thousand, four hundred fifty".