52755228225 has 72 divisors (see below), whose sum is σ = 112684371072. Its totient is φ = 23068108800.

The previous prime is 52755228209. The next prime is 52755228233. The reversal of 52755228225 is 52282255725.

52755228225 is a `hidden beast` number, since 5 + 27 + 5 + 522 + 82 + 25 = 666.

It is not a de Polignac number, because 52755228225 - 2⁴ = 52755228209 is a prime.

It is a super-2 number, since 2×52755228225² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 691936 + ... + 764385.

Almost surely, 2^52755228225 is an apocalyptic number.

It is an amenable number.

52755228225 is an abundant number, since it is smaller than the sum of its proper divisors (59929142847).

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

52755228225 is a wasteful number, since it uses less digits than its factorization.

52755228225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456367 (or 1456359 counting only the distinct ones).

The product of its digits is 1120000, while the sum is 45.

The spelling of 52755228225 in words is "fifty-two billion, seven hundred fifty-five million, two hundred twenty-eight thousand, two hundred twenty-five".