53663136321 has 8 divisors (see below), whose sum is σ = 71607684960. Its totient is φ = 35747005952.

The previous prime is 53663136257. The next prime is 53663136323. The reversal of 53663136321 is 12363136635.

53663136321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53663136321 - 2⁶ = 53663136257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53663136321.

It is not an unprimeable number, because it can be changed into a prime (53663136323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7100160 + ... + 7107713.

It is an arithmetic number, because the mean of its divisors is an integer number (8950960620).

Almost surely, 2^53663136321 is an apocalyptic number.

It is an amenable number.

53663136321 is a deficient number, since it is larger than the sum of its proper divisors (17944548639).

53663136321 is a wasteful number, since it uses less digits than its factorization.

53663136321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14209135.

The product of its digits is 174960, while the sum is 39.

The spelling of 53663136321 in words is "fifty-three billion, six hundred sixty-three million, one hundred thirty-six thousand, three hundred twenty-one".