53135430 has 32 divisors (see below), whose sum is σ = 127934208. Its totient is φ = 14124000.

The previous prime is 53135413. The next prime is 53135443. The reversal of 53135430 is 3453135.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53135430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7255 + ... + 12605.

It is an arithmetic number, because the mean of its divisors is an integer number (3997944).

Almost surely, 2^53135430 is an apocalyptic number.

53135430 is an abundant number, since it is smaller than the sum of its proper divisors (74798778).

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

53135430 is a wasteful number, since it uses less digits than its factorization.

53135430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5692.

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

The square root of 53135430 is about 7289.4053255393. The cubic root of 53135430 is about 375.9482490644.

Adding to 53135430 its reverse (3453135), we get a palindrome (56588565).

The spelling of 53135430 in words is "fifty-three million, one hundred thirty-five thousand, four hundred thirty".