52505632145 has 8 divisors (see below), whose sum is σ = 63804312960. Its totient is φ = 41472802800.

The previous prime is 52505632129. The next prime is 52505632163. The reversal of 52505632145 is 54123650525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52505632145 - 2⁴ = 52505632129 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 52505632099 and 52505632108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66462431 + ... + 66463220.

It is an arithmetic number, because the mean of its divisors is an integer number (7975539120).

Almost surely, 2^52505632145 is an apocalyptic number.

It is an amenable number.

52505632145 is a deficient number, since it is larger than the sum of its proper divisors (11298680815).

52505632145 is a wasteful number, since it uses less digits than its factorization.

52505632145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132925735.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 52505632145 in words is "fifty-two billion, five hundred five million, six hundred thirty-two thousand, one hundred forty-five".