56848678081 has 4 divisors (see below), whose sum is σ = 61221653332. Its totient is φ = 52475702832.

The previous prime is 56848678069. The next prime is 56848678093. The reversal of 56848678081 is 18087684865.

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

It is an interprime number because it is at equal distance from previous prime (56848678069) and next prime (56848678093).

It can be written as a sum of positive squares in 2 ways, for example, as 12569997456 + 44278680625 = 112116^2 + 210425^2 .

It is a cyclic number.

It is not a de Polignac number, because 56848678081 - 2⁷ = 56848677953 is a prime.

It is a super-2 number, since 2×56848678081² (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 (56848678981) 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, 2186487606 + ... + 2186487631.

It is an arithmetic number, because the mean of its divisors is an integer number (15305413333).

Almost surely, 2^56848678081 is an apocalyptic number.

It is an amenable number.

56848678081 is a deficient number, since it is larger than the sum of its proper divisors (4372975251).

56848678081 is a wasteful number, since it uses less digits than its factorization.

56848678081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372975250.

The product of its (nonzero) digits is 20643840, while the sum is 61.

The spelling of 56848678081 in words is "fifty-six billion, eight hundred forty-eight million, six hundred seventy-eight thousand, eighty-one".