52544125145 has 4 divisors (see below), whose sum is σ = 63052950180. Its totient is φ = 42035300112.

The previous prime is 52544125141. The next prime is 52544125169. The reversal of 52544125145 is 54152144525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8814205456 + 43729919689 = 93884^2 + 209117^2 .

It is a cyclic number.

It is not a de Polignac number, because 52544125145 - 2² = 52544125141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52544125099 and 52544125108.

It is not an unprimeable number, because it can be changed into a prime (52544125141) 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 3 ways as a sum of consecutive naturals, for example, 5254412510 + ... + 5254412519.

It is an arithmetic number, because the mean of its divisors is an integer number (15763237545).

Almost surely, 2^52544125145 is an apocalyptic number.

It is an amenable number.

52544125145 is a deficient number, since it is larger than the sum of its proper divisors (10508825035).

52544125145 is a wasteful number, since it uses less digits than its factorization.

52544125145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10508825034.

The product of its digits is 160000, while the sum is 38.

The spelling of 52544125145 in words is "fifty-two billion, five hundred forty-four million, one hundred twenty-five thousand, one hundred forty-five".