53135530 has 64 divisors (see below), whose sum is σ = 113541120. Its totient is φ = 17527104.

The previous prime is 53135527. The next prime is 53135531. The reversal of 53135530 is 3553135.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53135495 and 53135504.

It is not an unprimeable number, because it can be changed into a prime (53135531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382201 + ... + 382339.

It is an arithmetic number, because the mean of its divisors is an integer number (1774080).

Almost surely, 2^53135530 is an apocalyptic number.

53135530 is an abundant number, since it is smaller than the sum of its proper divisors (60405590).

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

53135530 is a wasteful number, since it uses less digits than its factorization.

53135530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 53135530 is about 7289.4121848061. The cubic root of 53135530 is about 375.9484849070.

Adding to 53135530 its reverse (3553135), we get a palindrome (56688665).

The spelling of 53135530 in words is "fifty-three million, one hundred thirty-five thousand, five hundred thirty".