53568639601 has 27 divisors (see below), whose sum is σ = 58164178891. Its totient is φ = 49330114064.

The previous prime is 53568639547. The next prime is 53568639617. The reversal of 53568639601 is 10693686535.

The square root of 53568639601 is 231449.

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., 28090095201 + 25478544400 = 167601^2 + 159620^2 .

It is not a de Polignac number, because 53568639601 - 2⁷ = 53568639473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53568639401) 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, 154376310 + ... + 154376656.

Almost surely, 2^53568639601 is an apocalyptic number.

53568639601 is the 231449-th square number.

53568639601 is the 115725-th centered octagonal number.

It is an amenable number.

53568639601 is a deficient number, since it is larger than the sum of its proper divisors (4595539290).

53568639601 is an frugal number, since it uses more digits than its factorization.

53568639601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 53568639601 in words is "fifty-three billion, five hundred sixty-eight million, six hundred thirty-nine thousand, six hundred one".