52544331225 has 18 divisors (see below), whose sum is σ = 94112735886. Its totient is φ = 28023643200.

The previous prime is 52544331209. The next prime is 52544331247. The reversal of 52544331225 is 52213344525.

52544331225 is a `hidden beast` number, since 52 + 54 + 4 + 331 + 225 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 11328834969 + 41215496256 = 106437^2 + 203016^2 .

It is not a de Polignac number, because 52544331225 - 2⁴ = 52544331209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52544331225.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 116764956 + ... + 116765405.

It is an arithmetic number, because the mean of its divisors is an integer number (5228485327).

Almost surely, 2^52544331225 is an apocalyptic number.

It is an amenable number.

52544331225 is a deficient number, since it is larger than the sum of its proper divisors (41568404661).

52544331225 is a wasteful number, since it uses less digits than its factorization.

52544331225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233530377 (or 233530369 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The spelling of 52544331225 in words is "fifty-two billion, five hundred forty-four million, three hundred thirty-one thousand, two hundred twenty-five".