56556887101 has 8 divisors (see below), whose sum is σ = 66444454944. Its totient is φ = 47460324720.

The previous prime is 56556886999. The next prime is 56556887131. The reversal of 56556887101 is 10178865565.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56556887101 - 2⁷ = 56556886973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56556887131) 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 7 ways as a sum of consecutive naturals, for example, 197751211 + ... + 197751496.

It is an arithmetic number, because the mean of its divisors is an integer number (8305556868).

Almost surely, 2^56556887101 is an apocalyptic number.

It is an amenable number.

56556887101 is a deficient number, since it is larger than the sum of its proper divisors (9887567843).

56556887101 is a wasteful number, since it uses less digits than its factorization.

56556887101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395502731.

The product of its (nonzero) digits is 2016000, while the sum is 52.

The spelling of 56556887101 in words is "fifty-six billion, five hundred fifty-six million, eight hundred eighty-seven thousand, one hundred one".