52740617539 has 8 divisors (see below), whose sum is σ = 55854245520. Its totient is φ = 49628238336.

The previous prime is 52740617519. The next prime is 52740617551. The reversal of 52740617539 is 93571604725.

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-52740617539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52740617492 and 52740617501.

It is not an unprimeable number, because it can be changed into a prime (52740617509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224529 + ... + 394834.

It is an arithmetic number, because the mean of its divisors is an integer number (6981780690).

Almost surely, 2^52740617539 is an apocalyptic number.

52740617539 is a deficient number, since it is larger than the sum of its proper divisors (3113627981).

52740617539 is a wasteful number, since it uses less digits than its factorization.

52740617539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624389.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 52740617539 in words is "fifty-two billion, seven hundred forty million, six hundred seventeen thousand, five hundred thirty-nine".