55569197525625 has 225 divisors, whose sum is σ = 120691320032811. Its totient is φ = 25397694504000.

The previous prime is 55569197525617. The next prime is 55569197525627. The reversal of 55569197525625 is 52652579196555.

The square root of 55569197525625 is 7454475.

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

55569197525625 is a `hidden beast` number, since 5 + 5 + 5 + 6 + 9 + 1 + 9 + 7 + 52 + 562 + 5 = 666.

55569197525625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 54306567751401 + 1262629774224 = 7369299^2 + 1123668^2 .

It is a tau number, because it is divible by the number of its divisors (225).

It is not a de Polignac number, because 55569197525625 - 2³ = 55569197525617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55569197525627) 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 224 ways as a sum of consecutive naturals, for example, 11740795759 + ... + 11740800491.

Almost surely, 2^{55569197525625} is an apocalyptic number.

55569197525625 is the 7454475-th square number.

55569197525625 is the 3727238-th centered octagonal number.

It is an amenable number.

55569197525625 is an abundant number, since it is smaller than the sum of its proper divisors (65122122507186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55569197525625 is an frugal number, since it uses more digits than its factorization.

55569197525625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9512 (or 4748 counting only the distinct ones).

The product of its digits is 1275750000, while the sum is 72.

The spelling of 55569197525625 in words is "fifty-five trillion, five hundred sixty-nine billion, one hundred ninety-seven million, five hundred twenty-five thousand, six hundred twenty-five".