53066128331 has 4 divisors (see below), whose sum is σ = 53071015272. Its totient is φ = 53061241392.

The previous prime is 53066128231. The next prime is 53066128361. The reversal of 53066128331 is 13382166035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53066128331 - 2¹⁰ = 53066127307 is a prime.

It is a super-2 number, since 2×53066128331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53066128361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2427146 + ... + 2448911.

It is an arithmetic number, because the mean of its divisors is an integer number (13267753818).

Almost surely, 2^53066128331 is an apocalyptic number.

53066128331 is a deficient number, since it is larger than the sum of its proper divisors (4886941).

53066128331 is a wasteful number, since it uses less digits than its factorization.

53066128331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886940.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 53066128331 in words is "fifty-three billion, sixty-six million, one hundred twenty-eight thousand, three hundred thirty-one".