53632538569 has 9 divisors (see below), whose sum is σ = 56071341543. Its totient is φ = 51295594152.

The previous prime is 53632538567. The next prime is 53632538657. The reversal of 53632538569 is 96583523635.

The square root of 53632538569 is 231587.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13592528569 + 40040010000 = 116587^2 + 200100^2 .

It is not a de Polignac number, because 53632538569 - 2¹ = 53632538567 is a prime.

It is a super-2 number, since 2×53632538569² (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 (53632538567) 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 8 ways as a sum of consecutive naturals, for example, 5321467 + ... + 5331535.

Almost surely, 2^53632538569 is an apocalyptic number.

53632538569 is the 231587-th square number.

53632538569 is the 115794-th centered octagonal number.

It is an amenable number.

53632538569 is a deficient number, since it is larger than the sum of its proper divisors (2438802974).

53632538569 is an frugal number, since it uses more digits than its factorization.

53632538569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20184 (or 10092 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 55.

The spelling of 53632538569 in words is "fifty-three billion, six hundred thirty-two million, five hundred thirty-eight thousand, five hundred sixty-nine".