56549871007 has 16 divisors (see below), whose sum is σ = 65074240000. Its totient is φ = 48137133600.

The previous prime is 56549870999. The next prime is 56549871029. The reversal of 56549871007 is 70017894565.

It is a cyclic number.

It is not a de Polignac number, because 56549871007 - 2³ = 56549870999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56549871107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7341244 + ... + 7348942.

It is an arithmetic number, because the mean of its divisors is an integer number (4067140000).

Almost surely, 2^56549871007 is an apocalyptic number.

56549871007 is a deficient number, since it is larger than the sum of its proper divisors (8524368993).

56549871007 is a wasteful number, since it uses less digits than its factorization.

56549871007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14806.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 56549871007 in words is "fifty-six billion, five hundred forty-nine million, eight hundred seventy-one thousand, seven".