52564783465 has 8 divisors (see below), whose sum is σ = 63190989000. Its totient is φ = 41976327552.

The previous prime is 52564783423. The next prime is 52564783493. The reversal of 52564783465 is 56438746525.

It can be written as a sum of positive squares in 4 ways, for example, as 673765849 + 51891017616 = 25957^2 + 227796^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52564783465 - 2²³ = 52556394857 is a prime.

It is an unprimeable number.

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, 9434340 + ... + 9439909.

It is an arithmetic number, because the mean of its divisors is an integer number (7898873625).

Almost surely, 2^52564783465 is an apocalyptic number.

It is an amenable number.

52564783465 is a deficient number, since it is larger than the sum of its proper divisors (10626205535).

52564783465 is a wasteful number, since it uses less digits than its factorization.

52564783465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18874811.

The product of its digits is 24192000, while the sum is 55.

The spelling of 52564783465 in words is "fifty-two billion, five hundred sixty-four million, seven hundred eighty-three thousand, four hundred sixty-five".