52530120045 has 24 divisors (see below), whose sum is σ = 98056225176. Its totient is φ = 25860981888.

The previous prime is 52530120017. The next prime is 52530120107. The reversal of 52530120045 is 54002103525.

It is a happy number.

52530120045 is a `hidden beast` number, since 5 + 2 + 530 + 120 + 0 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9254055204 + 43276064841 = 96198^2 + 208029^2 .

It is not a de Polignac number, because 52530120045 - 2⁶ = 52530119981 is a prime.

It is a super-2 number, since 2×52530120045² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44896954 + ... + 44898123.

It is an arithmetic number, because the mean of its divisors is an integer number (4085676049).

Almost surely, 2^52530120045 is an apocalyptic number.

It is an amenable number.

52530120045 is a deficient number, since it is larger than the sum of its proper divisors (45526105131).

52530120045 is a wasteful number, since it uses less digits than its factorization.

52530120045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89795101 (or 89795098 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 52530120045 in words is "fifty-two billion, five hundred thirty million, one hundred twenty thousand, forty-five".