53135433513 has 16 divisors (see below), whose sum is σ = 78851931840. Its totient is φ = 35363875392.

The previous prime is 53135433499. The next prime is 53135433553. The reversal of 53135433513 is 31533453135.

53135433513 is a `hidden beast` number, since 5 + 3 + 135 + 4 + 3 + 3 + 513 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-53135433513 is a prime.

It is a super-2 number, since 2×53135433513² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53135433553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1643331 + ... + 1675352.

It is an arithmetic number, because the mean of its divisors is an integer number (4928245740).

Almost surely, 2^53135433513 is an apocalyptic number.

It is an amenable number.

53135433513 is a deficient number, since it is larger than the sum of its proper divisors (25716498327).

53135433513 is a wasteful number, since it uses less digits than its factorization.

53135433513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319285 (or 3319279 counting only the distinct ones).

The product of its digits is 121500, while the sum is 36.

Adding to 53135433513 its reverse (31533453135), we get a palindrome (84668886648).

The spelling of 53135433513 in words is "fifty-three billion, one hundred thirty-five million, four hundred thirty-three thousand, five hundred thirteen".