53769725689 has 9 divisors (see below), whose sum is σ = 53993959279. Its totient is φ = 53546422360.

The previous prime is 53769725687. The next prime is 53769725741. The reversal of 53769725689 is 98652796735.

The square root of 53769725689 is 231883.

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., 17235226089 + 36534499600 = 131283^2 + 191140^2 .

It is not a de Polignac number, because 53769725689 - 2¹ = 53769725687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53769725687) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 106897812 + ... + 106898314.

Almost surely, 2^53769725689 is an apocalyptic number.

53769725689 is the 231883-rd square number.

53769725689 is the 115942-nd centered octagonal number.

It is an amenable number.

53769725689 is a deficient number, since it is larger than the sum of its proper divisors (224233590).

53769725689 is an frugal number, since it uses more digits than its factorization.

53769725689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 964 counting only the distinct ones).

The product of its digits is 171460800, while the sum is 67.

The spelling of 53769725689 in words is "fifty-three billion, seven hundred sixty-nine million, seven hundred twenty-five thousand, six hundred eighty-nine".