52561335545 has 8 divisors (see below), whose sum is σ = 63663076224. Its totient is φ = 41656086064.

The previous prime is 52561335521. The next prime is 52561335551. The reversal of 52561335545 is 54553316525.

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-52561335545 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52561335496 and 52561335505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49122209 + ... + 49123278.

It is an arithmetic number, because the mean of its divisors is an integer number (7957884528).

Almost surely, 2^52561335545 is an apocalyptic number.

It is an amenable number.

52561335545 is a deficient number, since it is larger than the sum of its proper divisors (11101740679).

52561335545 is a wasteful number, since it uses less digits than its factorization.

52561335545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98245599.

The product of its digits is 1350000, while the sum is 44.

The spelling of 52561335545 in words is "fifty-two billion, five hundred sixty-one million, three hundred thirty-five thousand, five hundred forty-five".