53430318 has 24 divisors (see below), whose sum is σ = 121859400. Its totient is φ = 16872624.

The previous prime is 53430301. The next prime is 53430319. The reversal of 53430318 is 81303435.

It is a happy number.

53430318 is a `hidden beast` number, since 5 + 343 + 0 + 318 = 666.

53430318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53430318² = 5709597763162248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53430291 and 53430300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53430319) 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 11 ways as a sum of consecutive naturals, for example, 77773 + ... + 78456.

It is an arithmetic number, because the mean of its divisors is an integer number (5077475).

Almost surely, 2^53430318 is an apocalyptic number.

53430318 is an abundant number, since it is smaller than the sum of its proper divisors (68429082).

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

53430318 is a wasteful number, since it uses less digits than its factorization.

53430318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156256 (or 156253 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 53430318 is about 7309.6045036650. The cubic root of 53430318 is about 376.6424385527.

The spelling of 53430318 in words is "fifty-three million, four hundred thirty thousand, three hundred eighteen".