53505450 has 36 divisors (see below), whose sum is σ = 143752518. Its totient is φ = 14268000.

The previous prime is 53505449. The next prime is 53505467. The reversal of 53505450 is 5450535.

53505450 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 3 ways, for example, as 36687249 + 16818201 = 6057^2 + 4101^2 .

It is a Curzon number.

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 17 ways as a sum of consecutive naturals, for example, 59001 + ... + 59900.

Almost surely, 2^53505450 is an apocalyptic number.

53505450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53505450 is an abundant number, since it is smaller than the sum of its proper divisors (90247068).

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

53505450 is a wasteful number, since it uses less digits than its factorization.

53505450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118919 (or 118911 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 53505450 is about 7314.7419640067. The cubic root of 53505450 is about 376.8188967087.

Adding to 53505450 its reverse (5450535), we get a palindrome (58955985).

The spelling of 53505450 in words is "fifty-three million, five hundred five thousand, four hundred fifty".