53305530 has 32 divisors (see below), whose sum is σ = 131393664. Its totient is φ = 13830336.

The previous prime is 53305519. The next prime is 53305541. The reversal of 53305530 is 3550335.

53305530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53305519) and next prime (53305541).

It is a self number, because there is not a number n which added to its sum of digits gives 53305530.

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 15 ways as a sum of consecutive naturals, for example, 22902 + ... + 25121.

It is an arithmetic number, because the mean of its divisors is an integer number (4106052).

Almost surely, 2^53305530 is an apocalyptic number.

53305530 is an abundant number, since it is smaller than the sum of its proper divisors (78088134).

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

53305530 is a wasteful number, since it uses less digits than its factorization.

53305530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48070.

The product of its (nonzero) digits is 3375, while the sum is 24.

The square root of 53305530 is about 7301.0636211445. The cubic root of 53305530 is about 376.3489903368.

Adding to 53305530 its reverse (3550335), we get a palindrome (56855865).

It can be divided in two parts, 53305 and 530, that added together give a palindrome (53835).

The spelling of 53305530 in words is "fifty-three million, three hundred five thousand, five hundred thirty".