56009848897 has 4 divisors (see below), whose sum is σ = 56254433620. Its totient is φ = 55765264176.

The previous prime is 56009848861. The next prime is 56009848919. The reversal of 56009848897 is 79884890065.

It is a Cunningham number, because it is equal to 236664²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52164732816 + 3845116081 = 228396^2 + 62009^2 .

It is a cyclic number.

It is not a de Polignac number, because 56009848897 - 2¹⁵ = 56009816129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56009848397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122292018 + ... + 122292475.

It is an arithmetic number, because the mean of its divisors is an integer number (14063608405).

Almost surely, 2^56009848897 is an apocalyptic number.

It is an amenable number.

56009848897 is a deficient number, since it is larger than the sum of its proper divisors (244584723).

56009848897 is a wasteful number, since it uses less digits than its factorization.

56009848897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244584722.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 56009848897 in words is "fifty-six billion, nine million, eight hundred forty-eight thousand, eight hundred ninety-seven".