52904360645 has 8 divisors (see below), whose sum is σ = 65201050104. Its totient is φ = 41179610304.

The previous prime is 52904360633. The next prime is 52904360687. The reversal of 52904360645 is 54606340925.

It can be written as a sum of positive squares in 4 ways, for example, as 8576426881 + 44327933764 = 92609^2 + 210542^2 .

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-52904360645 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52904360596 and 52904360605.

It is a congruent 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, 142984574 + ... + 142984943.

It is an arithmetic number, because the mean of its divisors is an integer number (8150131263).

Almost surely, 2^52904360645 is an apocalyptic number.

It is an amenable number.

52904360645 is a deficient number, since it is larger than the sum of its proper divisors (12296689459).

52904360645 is a wasteful number, since it uses less digits than its factorization.

52904360645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285969559.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 52904360645 in words is "fifty-two billion, nine hundred four million, three hundred sixty thousand, six hundred forty-five".