56855860547 has 8 divisors (see below), whose sum is σ = 59888660160. Its totient is φ = 53827099560.

The previous prime is 56855860531. The next prime is 56855860561. The reversal of 56855860547 is 74506855865.

It is a happy number.

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

It is not a de Polignac number, because 56855860547 - 2⁴ = 56855860531 is a prime.

It is a super-2 number, since 2×56855860547² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56855869547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980729 + ... + 1037082.

It is an arithmetic number, because the mean of its divisors is an integer number (7486082520).

Almost surely, 2^56855860547 is an apocalyptic number.

56855860547 is a deficient number, since it is larger than the sum of its proper divisors (3032799613).

56855860547 is a wasteful number, since it uses less digits than its factorization.

56855860547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019313.

The product of its (nonzero) digits is 40320000, while the sum is 59.

The spelling of 56855860547 in words is "fifty-six billion, eight hundred fifty-five million, eight hundred sixty thousand, five hundred forty-seven".