53544665117531 has 16 divisors (see below), whose sum is σ = 62688155819520. Its totient is φ = 44774799001920.

The previous prime is 53544665117407. The next prime is 53544665117539. The reversal of 53544665117531 is 13571156644535.

It is a cyclic number.

It is not a de Polignac number, because 53544665117531 - 2³⁰ = 53543591375707 is a prime.

It is a super-2 number, since 2×53544665117531² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53544665117539) 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, 8005010 + ... + 13083176.

It is an arithmetic number, because the mean of its divisors is an integer number (3918009738720).

Almost surely, 2^{53544665117531} is an apocalyptic number.

53544665117531 is a deficient number, since it is larger than the sum of its proper divisors (9143490701989).

53544665117531 is a wasteful number, since it uses less digits than its factorization.

53544665117531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114954.

The product of its digits is 22680000, while the sum is 56.

The spelling of 53544665117531 in words is "fifty-three trillion, five hundred forty-four billion, six hundred sixty-five million, one hundred seventeen thousand, five hundred thirty-one".