52397280717 has 4 divisors (see below), whose sum is σ = 69863040960. Its totient is φ = 34931520476.

The previous prime is 52397280703. The next prime is 52397280721. The reversal of 52397280717 is 71708279325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52397280717 - 2⁴ = 52397280701 is a prime.

It is a super-2 number, since 2×52397280717² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52397280717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52397280757) 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 3 ways as a sum of consecutive naturals, for example, 8732880117 + ... + 8732880122.

It is an arithmetic number, because the mean of its divisors is an integer number (17465760240).

Almost surely, 2^52397280717 is an apocalyptic number.

It is an amenable number.

52397280717 is a deficient number, since it is larger than the sum of its proper divisors (17465760243).

52397280717 is a wasteful number, since it uses less digits than its factorization.

52397280717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17465760242.

The product of its (nonzero) digits is 1481760, while the sum is 51.

The spelling of 52397280717 in words is "fifty-two billion, three hundred ninety-seven million, two hundred eighty thousand, seven hundred seventeen".