53182011669 has 4 divisors (see below), whose sum is σ = 70909348896. Its totient is φ = 35454674444.

The previous prime is 53182011647. The next prime is 53182011719. The reversal of 53182011669 is 96611028135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53182011669 - 2¹⁶ = 53181946133 is a prime.

It is a super-2 number, since 2×53182011669² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53182011669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53182011269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8863668609 + ... + 8863668614.

It is an arithmetic number, because the mean of its divisors is an integer number (17727337224).

Almost surely, 2^53182011669 is an apocalyptic number.

It is an amenable number.

53182011669 is a deficient number, since it is larger than the sum of its proper divisors (17727337227).

53182011669 is a wasteful number, since it uses less digits than its factorization.

53182011669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17727337226.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 53182011669 in words is "fifty-three billion, one hundred eighty-two million, eleven thousand, six hundred sixty-nine".