53668672225 has 27 divisors (see below), whose sum is σ = 77426019027. Its totient is φ = 36795815280.

The previous prime is 53668672193. The next prime is 53668672229. The reversal of 53668672225 is 52227686635.

The square root of 53668672225 is 231665.

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., 19320722001 + 34347950224 = 138999^2 + 185332^2 .

It is not a de Polignac number, because 53668672225 - 2⁵ = 53668672193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53668672229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8104966 + ... + 8111584.

Almost surely, 2^53668672225 is an apocalyptic number.

53668672225 is the 231665-th square number.

53668672225 is the 115833-rd centered octagonal number.

It is an amenable number.

53668672225 is a deficient number, since it is larger than the sum of its proper divisors (23757346802).

53668672225 is an frugal number, since it uses more digits than its factorization.

53668672225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13262 (or 6631 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The spelling of 53668672225 in words is "fifty-three billion, six hundred sixty-eight million, six hundred seventy-two thousand, two hundred twenty-five".