53630685889 has 27 divisors (see below), whose sum is σ = 60692384361. Its totient is φ = 47354091840.

The previous prime is 53630685887. The next prime is 53630685907. The reversal of 53630685889 is 98858603635.

The square root of 53630685889 is 231583.

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

It can be written as a sum of positive squares in 4 ways, for example, as 411887025 + 53218798864 = 20295^2 + 230692^2 .

It is not a de Polignac number, because 53630685889 - 2¹ = 53630685887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53630685887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 94253997 + ... + 94254565.

Almost surely, 2^53630685889 is an apocalyptic number.

53630685889 is the 231583-rd square number.

53630685889 is the 115792-nd centered octagonal number.

It is an amenable number.

53630685889 is a deficient number, since it is larger than the sum of its proper divisors (7061698472).

53630685889 is an frugal number, since it uses more digits than its factorization.

53630685889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 53630685889 in words is "fifty-three billion, six hundred thirty million, six hundred eighty-five thousand, eight hundred eighty-nine".