53205630 has 32 divisors (see below), whose sum is σ = 131147424. Its totient is φ = 13804416.

The previous prime is 53205623. The next prime is 53205637. The reversal of 53205630 is 3650235.

It is an interprime number because it is at equal distance from previous prime (53205623) and next prime (53205637).

It is a self number, because there is not a number n which added to its sum of digits gives 53205630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53205637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22857 + ... + 25076.

It is an arithmetic number, because the mean of its divisors is an integer number (4098357).

Almost surely, 2^53205630 is an apocalyptic number.

53205630 is an abundant number, since it is smaller than the sum of its proper divisors (77941794).

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

53205630 is a wasteful number, since it uses less digits than its factorization.

53205630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47980.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 53205630 is about 7294.2189437938. The cubic root of 53205630 is about 376.1137378489.

Adding to 53205630 its reverse (3650235), we get a palindrome (56855865).

It can be divided in two parts, 53205 and 630, that added together give a palindrome (53835).

The spelling of 53205630 in words is "fifty-three million, two hundred five thousand, six hundred thirty".