53135268538 has 32 divisors (see below), whose sum is σ = 87263363520. Its totient is φ = 24065112960.

The previous prime is 53135268533. The next prime is 53135268553. The reversal of 53135268538 is 83586253135.

It is a junction number, because it is equal to n+sod(n) for n = 53135268491 and 53135268500.

It is not an unprimeable number, because it can be changed into a prime (53135268533) 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, 8968045 + ... + 8973967.

It is an arithmetic number, because the mean of its divisors is an integer number (2726980110).

Almost surely, 2^53135268538 is an apocalyptic number.

53135268538 is a deficient number, since it is larger than the sum of its proper divisors (34128094982).

53135268538 is a wasteful number, since it uses less digits than its factorization.

53135268538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7342.

The product of its digits is 2592000, while the sum is 49.

The spelling of 53135268538 in words is "fifty-three billion, one hundred thirty-five million, two hundred sixty-eight thousand, five hundred thirty-eight".