52540232345 has 8 divisors (see below), whose sum is σ = 63412720776. Its totient is φ = 41789224576.

The previous prime is 52540232287. The next prime is 52540232357. The reversal of 52540232345 is 54323204525.

It can be written as a sum of positive squares in 4 ways, for example, as 3899253136 + 48640979209 = 62444^2 + 220547^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52540232345 is a prime.

It is a Duffinian number.

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, 30369212 + ... + 30370941.

It is an arithmetic number, because the mean of its divisors is an integer number (7926590097).

Almost surely, 2^52540232345 is an apocalyptic number.

It is an amenable number.

52540232345 is a deficient number, since it is larger than the sum of its proper divisors (10872488431).

52540232345 is a wasteful number, since it uses less digits than its factorization.

52540232345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60740331.

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 52540232345 in words is "fifty-two billion, five hundred forty million, two hundred thirty-two thousand, three hundred forty-five".